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If a^2+4b^2+49c^2+18=2(2b + 28c-a), then...

If `a^2+4b^2+49c^2+18=2(2b + 28c-a)`, then the value of (3a + 2b + 7c) is:
यदि `a^2+4b^2+49c^2+18=2(2b + 28c-a)` है, तो (3a + 2b + 7c) का मान क्या होगा ?

A

a)0

B

b)2

C

c)1

D

d)3

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