If 8x^2 + y^2 - 12x - 4xy + 9 = 0 then the value of (14x - 5y)

Question

If 8x^2 + y^2 - 12x - 4xy + 9 = 0 then the value of (14x - 5y)

Study Junction · Answer

(4x^2 -4xy +y^2) + 4x^2 -12x +9 
(2x-y)^2 +(2x-3)^2=0
x=3/2
y=3

Kiran Ghosh · Answer

6

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