Question

Y=(3x+7)(8x-5). Find the derivative

Answer 1

Explanation:

`y = {24x}^(2) - 15x + 56x - 35`

`y = 24x {}^(2) + 41x - 35`

`(dy)/(dx) = 48x + 41`

Answer 2

Explanation:

use uv rule= uv'+vu'

u=3x+7

u'=3+0=3

v=8x-5

v'=8-0=8

uv= (3x+7)(8)+(8x-5)(3)

=24x+56+24x-15

=48x+41