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Evaluate $7p^2x-(-4qy^2)$,given that $p=-2,q=1,x=3$ and $y=-4$

$\begin{array}{1 1}(A)\;-4&(B)\;84\\(C)\;20&(D)\;148\end{array} $

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1 Answer

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148
Hence (D) is the correct answer.
answered Apr 11, 2014 by sreemathi.v
 

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