Question

MEDAL-*The question in pic file below*

Answer 1

@ganeshie8

Answer 2

\[\dfrac{d}{dx}\int \limits_a^{g(x)} f(t)~dt = f(g(x))g'(x)\]

Answer 3

@ganeshie8

Answer 4

in simple english, replace \(t\) in the "integrand" by \(x\) and you are done with the first one`

Answer 5

@ganeshie8

Answer 6

thank u! @satellite73