Mark the tick against the correct answer in the following:

Question

Philoid · Accepted Answer

To find: Value of

We have,

Applying

⇒

Applying

⇒

Expanding along C₁

⇒ [a{(a) (a+b) – (a)(2a+b)}]

⇒ [a{(a² + ab) – (2a²+ab)}]

⇒ [a{a² + ab – 2a² - ab}]

⇒ [a{–a²}]

⇒ -a³