Question

find the following products and verify the results for x=-1 and y=-2 (d) (x4-y4)(x+y)​

Answer 1

Answer:

45 is your answer

Step-by-step explanation:

(-1)4 - (-2)4 (-1-2)

1 - 16 ( -3)

-15 × (-3)

= 45

Answer 2

d) (x^4-y^4)(x+y)

=[(-1)^4 - (-2)^4]{-1-2}

=[ 1-16]{-3}

= -15×-3

= +45.

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