Question

Find all values of x where the tangent lines to y=x^7 and y=x^8 are parallel.

Answer 1

hey @Loser66 do you know how to answer this question?

Answer 2

take derivative both

Answer 3

ok so that would be 7x^6 and 8x^7

Answer 4

what's the next step?

Answer 5

oh gosh. One is exponent to 6, and one is exponent to 7, they are the same if x =0 or x = 7/8
to me only, hahaaha....

Answer 6

@Zarkon please, help

Answer 7

oh you got the right answer but how'd you do figure it out lol?

Answer 8

just let them equal