If , then find Given ⇒ We know that , ⇒ ⇒ ⇒ Hence =
| If
, then find


A. 20
B. 22
C. 24
D. 0
Right Answer is: C
SOLUTION
Given
⇒
We know that ,
⇒
⇒
⇒
Hence =
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If , then find
Given
⇒
We know that ,
⇒
⇒
⇒
Hence =