Question

1. Scos (2x² - 1)dx=​

Answer 1

Answer:

differentiation of cos x is equal to -sin x

then differentiation of cos (2x^2-1)=minus sin (2 x square - 1)

in the differentiation of 2 x square - 1 is equal 4

so the answer is sin (2 x square - 1) multiply 4