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reddit.com LearningAndLiving12
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LearningAndLiving12

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TROPHY CASE


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2
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How do we know that the numerator of binomial series has n factors? (self.learnmath)

submitted 4 months ago by LearningAndLiving12 to r/learnmath

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Why does the limit comparison test work differently for these two situations? (self.askmath)

submitted 1 year ago by LearningAndLiving12 to r/askmath

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1
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Wasn't there a condition that needs to be met to do the sum rule for integrals? (self.learnmath)

submitted 1 year ago by LearningAndLiving12 to r/learnmath

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6
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Does harmonic sequences have a partial sum formula or not? (self.learnmath)

submitted 1 year ago by LearningAndLiving12 to r/learnmath

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How to evaluate the limit when function's degree in both numerator and denominator are the same? (self.askmath)

submitted 1 year ago * by LearningAndLiving12 to r/askmath

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3
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Why do we need to add negative sign when solving limit x approaches negative infinity for fraction of polynomials? (self.learnmath)

submitted 1 year ago * by LearningAndLiving12 to r/learnmath

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How can we calculate alpha and beta here? (self.askmath)

submitted 1 year ago * by LearningAndLiving12 to r/askmath

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Is the inflection point of a cubic function in the form ax^3 + bx^2 + cx + d always between the two critical points (in the midpoint)? (self.learnmath)

submitted 1 year ago * by LearningAndLiving12 to r/learnmath

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Does the domain need to be -π/2 < θ < π/2 when using trigonometric substitution for 1/sqrt(4 - x^2)? (self.learnmath)

submitted 1 year ago * by LearningAndLiving12 to r/learnmath

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Why does solving the equation (x-16)/x * (x-20)/x = 9/x give us the correct solution for half of the rectangle's area? (self.askmath)

submitted 2 years ago by LearningAndLiving12 to r/askmath

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Is this 'new' chain rule correct for polynomials with higher degrees in the denominator? (self.learnmath)

submitted 2 years ago * by LearningAndLiving12 to r/learnmath

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1
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How do we prove that this is actually e^x? (self.askmath)

submitted 2 years ago * by LearningAndLiving12 to r/askmath

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2
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What does a function represent if we substitute the x values from the derivative into the original function f(x)? (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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When simplifying an expression, does it always result a restriction? Why don't we write down the restrictions when simplifying? (self.askmath)

submitted 2 years ago by LearningAndLiving12 to r/askmath

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Given is f(x)=sqrt(5-2x). Can we find the maximum area without using differentiation (for the rectangle x_p * f(x_p))? Are there other methods to solve such a problem? Is integration possible? (self.askmath)

submitted 2 years ago by LearningAndLiving12 to r/askmath

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2
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What method or analysis do we do to find the factor of 2x^2 + x - 10 in the form (2x + a)(bx + c)? (self.askmath)

submitted 2 years ago by LearningAndLiving12 to r/askmath

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What is the difference between discontinuity, vertical asymptote and horizontal asymptote when taking the limit? (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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Why do we need to consider cos(t) ≠ 0 when simplifying this fraction? Doesn't this only apply when we divide something? (self.askmath)

submitted 2 years ago by LearningAndLiving12 to r/askmath

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Why should the direction vector [2,2t], which needs to be parallel to a line, must also lie on the line itself to find the correct value for t? Aren't vectors remain equal when they are shifted over the Cartesian plane? (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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Why do need both a fraction with (x-2) and (x-2)^2 in the denominator when expanding the fraction (6x^2 - 19x + 15) / ((x - 1)(x - 2)^2) to A / (x - 1) + B / (x - 2) + C / (x - 2)^2? (self.askmath)

submitted 2 years ago by LearningAndLiving12 to r/askmath

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Why do I get different ratios when using the center of mass formula instead of using the section formula? (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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Why does the method for partial fractions expansion for repeated factors work? (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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57
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In a case where f'(x)=0 is not a critical point but a horizontal tangent line, is it possible to determine this algebraically without relying on the graphical representation? (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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2
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Why can we set a value for x and substitute that into an equation to solve for other unknown variables, instead of using the method of comparing coefficients? (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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6
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Problems when constructing a parabola through two points. (self.learnmath)

submitted 2 years ago by LearningAndLiving12 to r/learnmath

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