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If the function is even, f(x) = f(-x).cos(-x) is the same value as cos(+x) therefore the function is even. Its graphical property is that it is symmetrical about the y axis as all even functions are.

Chain rule: First resolve the log differential, then resolve the fraction integration either by knowing the formula for it or by writing (e^x+1)/(e^x-1) as (e^x+1)(e^x-1)^(-1) and applying chain rule agai...

First we look at the probability of producing a total ensemble which is 1/(n+m)!. This is in any random order and any part either m or n
To further see what is going on let’s take some example let’s ...

42x^(5/2)-10x

C: 16y³ + 9x²y -54x = 0 d/dx(16y³) + d/dx(9x²y) + d/dx(-54x) = d/dx(0).............=>48y².dy/dx + 9x².dy/dx + y.18x - 54 = 0 dy/dx(48y<...