trinixx18 trinixx18

13-04-2018
Mathematics

contestada

To evaluate ∫ 3x2 cos (2x3 - 4) dx, it is necessary to let A. u = 6x. B. u = 6x2 C. u = 2x3 -4 D. u = 3x2

Respuesta :

surjithayer10otahza surjithayer10otahza

13-04-2018

put 2x^3-4=u
2*3x^2 dx=du
3x^2 dx=1/2 du
∫ cos du=sin u+c
I=1/2∫cosu du=1/2 sin u+c
=1/2 sin (2x^3-4)+c

Answer Link

Otras preguntas

Which form of the verb ir correctly completes this sentence?

Which shows the factored form of x2-12x-45?

Name the peninsula that separates the bering sea from the sea of okhotsk?

A playground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. A 63.0-kg child, initially at the top, slides all the way down to the bottom

What is the missing coefficient of the x-term of the product (-x-5)2 after it has been simplified?

10. If a triangle has an angle of 45° and an angle of 100°, what is the third angle? A. 45° B. 35° C. 55° D. 100°

Where in the lungs does gas exchange occur

1. Use Excel to answer the following. In each question, find the blank to make the statement true. Note that Z represents we are using the standard normal distr

What is the product of 204 whit two numbers

In the 1980s an average mortgage rate was around 18.5 how much less per month would a 150000 30 year mortgage by today if the current rate were 5 %