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If a + b + c + d = 2, then the maximum v...

If a + b + c + d = 2, then the maximum value of (1 + a)(1 + b)(1 + c)(1 + d) is_____.
यदि a+ b+ c+ d = 2, तो (1+ a)(1+b)(1+ c)(1+ d) का अधिकतम मान_____है।

A

(A) `91/9`

B

`81/16`

C

`63/22`

D

`54/13`

Text Solution

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The correct Answer is:
B
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