Q16 of 110 Page 270

Mark the tick against the correct answer in the following:


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

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