Question

by using suitable identities solve (1001)^3 - (999)^3​

Answer 1

Answer:

Hey

Here is your answer,

a = 1000

b = 999

a^3 - b^3 =( a - b ) ( a^2 + ab + b^2 )

By using this identity,

(1000)^3 - (999)^3

(1000-999) (1000^2 +1000x999 + 999^2)

=(1) (1000000 + 999000 +998001)

=2997001

Hope it helps you!

Step-by-step explanation:

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Answer 2

Refer to the attachment below
Hope it helps you
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