Question

f(x)=(7x+12)^6

find the second derivative f"(x).

Answer 1

f'(x)=6(7x+12)^5(7)\
f''(x)=6(5)(7x+12)^4(7)(7)

Answer 2

so who's right?

Answer 3

both are same :P

Answer 4

f'(x) = 42 (7x + 12) ^5
f"(x) = 1470 (7x + 12) ^4

Answer 5

ok i was right :P

Answer 6

ok cause i was getting 1470

Answer 7

Yep! I'm trying to multiply it out!

Answer 8

when i multiplied 30 times 7 times 7

Answer 9

thanks for helping :)

Answer 10

We're all trying to help :)