Question

find the product and verify the results please solve this question.​

Answer 1

Step-by-step explanation:

(a) (x+y)×9x²y

{1/2+(-2)}×9×(1/2)²×(-2)²

( -3/2)×9×1/4×4

-27/2

(b)xy²×(6x-3x²)

1/2×-2×(6×1/2-3×(1/2)²

-1×(3-3/4)

9/4

(c)(x²+y²+2xy)×(x²-2x³y³-5xy)

(x+y)²×(x²-2x³y³-5xy)

(1/2+(-2))²×((1/2)²-2(1/2)³(-2)³-5×1/2×-2)

(9/4)×(1/4-(-2)+5)

(9/4)×(1/4+2+5)

(9/4)×(19/4)

171/16

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