Question

Differentiate the function.
f(x) = sin (x) ln(3x)

Answer 1

3sin(x)*(1/3x) +ln(3x)cos(x)

Answer 2

how did u get the three infront of sin?

Answer 3

when u differentiate inside the bracket

i mean 3x

Answer 4

so its not 3sin(x)? or it is

Answer 5

sorry , sin(x)/x +log(3x)cosx

Answer 6

so u do product rule for sinx ln3x?

Answer 7

im stll a little confused?

Answer 8

yes , use differentiate by parts

ans: sin(x)/x +log(3x)cosx

Answer 9

where did the log come from?

Answer 10

sorry that is ln