Q. 1 H4.6( 7 Votes )

# The expansion of A. 2x^{2} + 3y^{2} + 6xy

B. 4x^{2} + 9y^{2} – 12xy

C. 2x^{2} + 3y^{2} – 6xy

D. 4x^{2} + 9y^{2} + 12xy

Answer :

(a + b)^{2} = a^{2} + 2ab + b^{2}

⇒ (2x – 3y)^{2} = 4x^{2} + 9y^{2} – 12xy

So B is the correct option.

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