The value of is equal to ⇒ ⇒ Now consider ⇒ ⇒ We know that ⇒

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| The value of  is equal to

A. -1

B. 0

C. 1

D. 4

Right Answer is: D

SOLUTION

⇒

⇒

Now consider

⇒

⇒

We know that

⇒

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