Question

$111 ^3 - 89^3$
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Evaluate the following (RD SHARMA)

Answer 1

Its in form of a^3-b^3

So,It can be written as (a+b)(a^2-ab+b^2)

then,

(111+89)(111^2-111 x 89+89^2)

=>200 x 10360

=>2072600.

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