Year 2 Chapter 9: Differentiation

Question 1

What is ‘y=sin(kx)’ differentiated?

Answer 1

k cos(kx)

Question 2

What is ‘y=cos(kx)’ differentiated?

Answer 2

-k sin(kx)

Question 3

What is ‘y=e^kx’ differentiated?

Answer 3

k(e^kx)

Question 4

What is ‘y=ln(x)’ differentiated?

Answer 4

1/x

Question 5

When a>0, what is ‘y=a^(kx)’ differentiated?

Answer 5

(a^(kx)) (k) (ln(a))