Question

The product of xy and (-xy) is __________

(A) (-x²y²) (B) 0 (C) x²y² (D) ( -1 )​

Answer 1

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Product of xy & (-xy) = xy×-xy = -x²y² (A)

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(ab)(ab)=a²b²

(xyz)l = xl + yl + zl

(abc)(mnp)=am.bn.cp

Like this we have to multiply the monomials

Answer 2

Step-by-step explanation:

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= (Xy)×(-xy)

= -x^2y^2

.: option A