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Questions  >>  Olympiad-Math  >>  Class 9  >>  Polynomials
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Q)

(5x + 4y)2


( A ) 25x2 + 40xy - 16y2
( B ) 25x2 + 40xy + 16y2
( C ) 25x2 -40xy + 16y2
( D ) 25x2 -40xy - 16y2

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