Things to remember for integration

Question 1

When using reverse chain rule what two things need to be correct?

Answer 1

the form of the integration is either

[F’(x)][F(x)]

or

[F’(x)] / [F(x)]

Question 2

when using integration by subsitution what will you set as U is equal to in this scenario

x(2x+5)^1/2

Answer 2

2x + 5

Question 3

when using integration by subsitution what will you set as U is equal to in this scenario

x
/
1+2x

Answer 3

1+2x

Question 4

when using integration by subsitution what will you set as U is equal to in this scenario

(e^cosx+1)(sinx)

Answer 4

cosx+1