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If 8x^2+y^2- 12x - 4xy + 9= 0 , then the...

If `8x^2+y^2- 12x - 4xy + 9= 0` , then the value of (14x - 5y) is:
यदि `8x^2+y^2- 12x - 4xy + 9= 0` है, तो (14x - 5y) का मान ज्ञात करें |

A

9

B

6

C

5

D

3

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