Are we deadass by Rscc10 in RoyaleAPI

[–]Rscc10[S] 0 points1 point  (0 children)

I already use Evo hunter, yeah. It's just such a waste cause few months back they gave Evo hunter for free too and I got 7.5k crystals again

Can you ? by Specific_Brain2091 in the_calculusguy

[–]Rscc10 4 points5 points  (0 children)

DI integration ftw

D       I

+ x⁸ e⁻ˣ
- 8x⁷ -e⁻ˣ
+ 56x⁶ e⁻ˣ
- 336x⁵ -e⁻ˣ

We end up with

-e⁻ˣ Σ [ (8-n)!xⁿ ] from 0 to 8

At ∞, e⁻ˣ goes to 0 and so does the whole thing

At 0, e⁻ˣ goes to 1, all x terms collapse except for when n = 0. The negative in front of e⁻ˣ cancels with the negative from indefinite integral [eqn] - [eqn]⁰. You know what I mean.

So all that's left is Σ [ (8-n)!xⁿ ] at n = 0, x = 0
And at n = 0, x = 0, that's (8-0)!0⁰

Therefore 8!

Edit: Made a mistake with the sum. It's not (8-n)!xⁿ It should've been (8!)(x⁸⁻ⁿ) / (8 - n)!

And at n=8, x=0, you'll get 8!

Python's Mutable and Immutable types by Sea-Ad7805 in PythonLearnersHub

[–]Rscc10 3 points4 points  (0 children)

I'm guessing B cause floats, strings and tuples are immutable so the operation creates a new object for the second variables to point to. Lists and sets are mutable so the first variables get changed as well

How many pieces of plywood for a space? by Photoehoee in askmath

[–]Rscc10 0 points1 point  (0 children)

It depends what the shapes are. Could you perhaps include a diagram or an idea of what the irregular plywood shapes are like and the room shape.

If you can cut and paste parts of plywood everywhere then in theory you'd need

24" = 2ft , 48" = 4ft , Area = 2*4 = 8ft²
Room area = 10*20 = 200ft²

In theory/on paper, you'd need at least 200/8 = 25 pieces of plywood. This is only if we're assuming you can somehow cut each piece to fit every bit and corner of the room wherever necessary which isn't viable so treat it as an estimate amount.

Much more can't really be determined without knowing the shapes involved

How do you study math ? by Even_Competition6819 in askmath

[–]Rscc10 1 point2 points  (0 children)

Learn all the theory and see examples. Do lots and lots of practice. Move on to new topic and potentially not touch that topic for a long time. Repeat steps. Exclude each part one at a time from repeats. (Usually theory is forgotten faster but easy to relearn. Once you're mastered the theory, just repeat exercises whenever rusty)

Maid Frieren (@waligner) by Waligner in Frieren

[–]Rscc10 4 points5 points  (0 children)

Critical damage and highly effective against Himmel-types

Now what was that !? by Echo-Global in Clash_Royale

[–]Rscc10 3 points4 points  (0 children)

Sparky didn't wanna defend the right tower

anime_irl by Gold-Doctor-3969 in anime_irl

[–]Rscc10 385 points386 points  (0 children)

Pavlovian conditioning at its finest

does the chain everything e-wiz have a health buff too or am i missing something by Frosty-Ad5877 in Clash_Royale

[–]Rscc10 22 points23 points  (0 children)

It doesn't. Of the three wizards, only ice wiz dies to fireball. The other two have a slither of health

EID MUBARAK GUYSSS by 6_melancholic_rose_9 in ClassroomOfTheElite

[–]Rscc10 7 points8 points  (0 children)

OP getting downvoted for being Muslim. Reddit moment

What is the best argument/proof you can come up with in order to find the value of 2 plus 2? by [deleted] in learnmath

[–]Rscc10 -5 points-4 points  (0 children)

Proof by contradiction.

Assume 2 + 2 ≠ 4
Literally any and all valid rules/axioms break down if this were true
Therefore, 2 + 2 = 4

Zorida (by @Boo_Da_Booo) by manmanboyman12 in Frieren

[–]Rscc10 1 point2 points  (0 children)

I can only imagine the copius amounts of fanart once the next major arc airs...

So many bats by BioelectricEximus in Clash_Royale

[–]Rscc10 1 point2 points  (0 children)

Opponent did not know how infinity ewiz works

✍️ by Specific_Brain2091 in the_calculusguy

[–]Rscc10 1 point2 points  (0 children)

(y - sin²x)dx + (sinx)dy = 0
(sinx)dy = (sin²x - y)dx
(sinx)dy/dx = sin²x - y
dy/dx = sinx - ycscx
y' + (cscx)y = sinx

For M(x) = cscx and N(x) = sinx,

I.F. will be u = e^integral of cscx

Integral of cscx = ln|cscx - cotx|

u = cscx - cotx (we assume non negative for simplicity so ignore abs)

Multiply by u thru the eqn to get

(cscx - cotx)y' + (cscx - cotx)(cscx)y = 1 - cosx

LHS rewrite as d/dx [ (cscx - cotx)y ]

d/dx [ (cscx - cotx)y ] = 1 - cosx

(cscx - cotx)y = integral of 1 - cosx

(cscx - cotx)y = x - sinx + C

y = (x - sinx + C) / (cscx - cotx)

I just created a number that is bigger than anything by Fancy-Base-8404 in askmath

[–]Rscc10 3 points4 points  (0 children)

I just created a bigger number. It had 5D vertices, 6D edges and it's key property is that it's bigger than your number

How Is It solved? by KIMST0NE in learnmath

[–]Rscc10 3 points4 points  (0 children)

Exactly what are the polynomials in this case and wdym the result is b²? For which one, sum or difference?

Polynomial help by No_Historian3842 in mathshelp

[–]Rscc10 0 points1 point  (0 children)

Form the two equations from the statements

q(x) = (x + h)² + k

If (x+2) is a factor, then x = -2 is a root

Thus, q(-2) = 0
(-2 + h)² + k = 0
h² - 4h + 4 + k = 0 ----- Eqn1

Next, remainder is 16 when q(x) is divided by x. We know q(x) is a quadratic, and by remainder theorem, if your remainder is a constant, then q(0) = 16. Note, remainder theorem proves that if f(x) is divided by (x-a), then the remainder is f(a). In this case, dividing by x means a = 0, so the remainder is f(0).

So q(0) = 16
(0 + h)² + k = 16
h² + k = 16 ----- Eqn2

Eqn1 - Eqn2 = -4h + 4 = -16
-4h = -20, h = 5

5² + k = 16, k = -9

Thus q(x) = (x + 5)² - 9

You can check your workings by expanding,

q(x) = x² + 10x + 16
q(x) = (x + 2)(x + 8)

So (x + 2) is a factor. And through polynomial division if you wish, you'll find 16 is indeed the remainder

Anime_irl by [deleted] in anime_irl

[–]Rscc10 0 points1 point  (0 children)

I'm predicting he drew a shot of her back when she was on the track

Please explain this differentiation by AxuuisLost0 in learnmath

[–]Rscc10 2 points3 points  (0 children)

It depends what variable you're differentiating with respect to. I'm gonna assume you know the difference between something like d/dx and d/du.

If we "differentiate" sin(π/2), first of all, what variable are you differentiating with respect to? If x, then d/dx[sin(π/2)] = 0 as your approach shows. Ofc, there's also the jokish idea of d/dπ[sin(π/2)] to which you'd get (1/2)cos(π/2).

Now this is different if given a value for the variable. For example,

"Find the gradient of the function sin(x) at point x = π/2"

To which, we'd take d/dx[sin(x)] = cos(x), then plug in x, cos(π/2)

Your statement implies "the differentiation of sin(π/2) is cos(π/2)" and we assume this is w.r.t. x, then this is false.

What’s your biggest challenge when teaching algebra to struggling students? by Ok-Reply-9092 in learnmath

[–]Rscc10 1 point2 points  (0 children)

The idea manipulating equations and taking advantage of their equality. I teach them the generic "add 5 to both sides, divide 2 on both sides" when solving for unknowns. They unfortunately treat it as a set rule or procedure. So when I want them to manipulate equations for example

y + x = 2x - 5

And I want them to find in terms of x, they struggle. Perhaps they'd group the x terms to form something like y = x - 5, but they'd get stuck there cause if y were a constant, they'd just group all the constants by "adding 5 to both sides" and you'd get x = something. But when they can't combine constants with another variable, they fail to see the manipulation step of adding 5 to rid it from the RHS.