Q. 1 H4.6( 7 Votes )

The expansion of A. 2x2 + 3y2 + 6xy

B. 4x2 + 9y2 – 12xy

C. 2x2 + 3y2 – 6xy

D. 4x2 + 9y2 + 12xy

Answer :

(a + b)2 = a2 + 2ab + b2


(2x – 3y)2 = 4x2 + 9y2 – 12xy


So B is the correct option.

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