यदि a^(2) + 4b^(2) + 49c^(2) + 18 = 2 (2...

यदि `a^(2) + 4b^(2) + 49c^(2) + 18 = 2 (2b + 28 c -a)` है, तो `(3a + 2b + 7c)` का मान कितना है

A

`0`

B

`2`

C

`1`

D

`3`

Verified by Experts

The correct Answer is:

B

यदि a^(2) + 4b^(2) + 49c^(2) + 18 = 2 (2b + 28 c -a) है, तो (3a + 2b +...
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