Question

deriv of 2/x?

Answer 1

quotient rule.
remember d/dx x = 1
and d/dx 2 = 0
f'g-g'f / g^2

Answer 2

d/dx (2/x) = 2*d/dx(1/x) = 2*ln(x)

Answer 3

0(x) - 1(2) / x^2
= -2/x^2

Answer 4

oops thats the integration

Answer 5

lol

Answer 6

shamil is right

Answer 7

thanks!