Question

I have the answer can someone check me please..
What is the 1st derivative of
f(x)=x^7+7^x-7e^x-e^7

Answer 1

what is your answer??

Answer 2

I got 7x^6+7^xln(7)-7e^x

Answer 3

is that right

Answer 4

yaa your right...

Answer 5

ok thanks I have to find the 2nd derivative too and I have the anser for that can you just check me

Answer 6

yaa sure..

Answer 7

ok her is my answer.
42x^5+7^xln^2(7)+7^x+7^xln(7)(0-7e^x)

Answer 8

no i think the answer will be
42x^5 + 7^x (ln(7))^2 -7e^x

Answer 9

what didi I do wrong

Answer 10

ln(7) is constant term
so differentiation of
7^x ln(7) = 7^x ln(7) ln(7)

Answer 11

ok I see