If \[3x+4y=18\] and \[xy=6\], find the value of \[9{{x}^{2}}+16{{y}^{2 – McqOptions

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1.	If \[3x+4y=18\] and \[xy=6\], find the value of \[9{{x}^{2}}+16{{y}^{2}}\].
A.	180
B.	144
C.	324
D.	170
Answer» B. 144

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