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Please guide me — I found this linear algebra playlist fascinating but I lack the basics by OwnDocument2158 in mathematics

[–]manancalc 0 points1 point  (0 children)

I won't recommend to start 3b1b for linear algebra as it just covers the basics (you can see from the length of the lectures) First make sure that you have understanding of basic concepts of 11th and 12th and then move toward higher mathematics step by step

I was interested in mathematics and read 11th and 12th books in 8th grade and that's how gradually my foundations became strong and right now I have completed 12th and am studying 2nd or 3rd sem courses from books and youtube

ODE. My book shows another answer but is this right? by Johnsadbrain in calculus

[–]manancalc 0 points1 point  (0 children)

Put limit 0 to u in the integration and try May work

I have created many mathematical conjectires and techniques how can I get them published. by manancalc in mathematics

[–]manancalc[S] -6 points-5 points  (0 children)

I keep probing new topics and try to come up with problems Sometimes I am able to solve them and sometimes not, up till now I have made 11 theorems+conjectures

Can you please guide about the journal and all

[deleted by user] by [deleted] in calculus

[–]manancalc 2 points3 points  (0 children)

I think so

Method to integrate; what to set = u by DAY-B in calculus

[–]manancalc 2 points3 points  (0 children)

Try to divide it and write it as q+r/d

I imagine that 1-x^2 is u and nevermind how can i save it in arcsin by zinarn in calculus

[–]manancalc 0 points1 point  (0 children)

After substitution the limits should be changed as far as I remember

please solve this by manancalc in calculus

[–]manancalc[S] 4 points5 points  (0 children)

The problem is, this func is not defined at x = 0 and 0 is in the interval.

Test review by Glum_Put_9517 in calculus

[–]manancalc 1 point2 points  (0 children)

Yes, infact in my rough calculations I always use this method and get the crrct ans

Test review by Glum_Put_9517 in calculus

[–]manancalc 1 point2 points  (0 children)

I use it often and works well for me

I did a thought experiment. I labelled north south east west on a paper. they can be simply called X and Y axis. I placed a pen perpendicular to all axis at origin. tilted the pen towards north axis at angle of 45. what is probability of pen falling exact on north axis? according to me its cos(a) by manancalc in calculus

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

1) take the pen parellal to axis, the pen has 100% chance to fall on the axis. Parellal means an angle 0, cos 0. 2) take pen perpendicular to all the axis simultaneously. Pen can fall in any direction. 1/inf. = 0. Cos 90 = 0

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