If x is equals to 11 y is equals to 7 then evaluate the value of 16 X square + 36 y square - 48 x y
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Answer:
x=7
11y=7
y=7/11
16x^2+36y^2-48xy=(4x)^2-2(4x)(6y)+(6y)^2
={4x-6y)^2
={4×7-6(7/11)}
=7{4-(6/11)}
=7×(38/11)
=266/11
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