Q55 of 865 Page 19

Evaluate:

Given,

_{Let 3x}² +sin6x =t

=dt

⇒ 6x + cos 6x. 6=dt

Substituting the values,

= log t +c

= log(3x² + sin6x) +c

Evaluate:

If then write the value of f(x).

If then write the value f(x).