Question

(99)^3 evaluate using suitable identities
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Answer 1

Answer:

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Step-by-step explanation:

ANSWER

We have,

(99)3

=(100−1)3

 

We know that

(a−b)3=a3−b3−3ab(a−b)

 

Therefore,

=(100)3−13−3×100×1×(100−1)

=1000000−1−300(100−1)

=1000000−1−30000+300

=970299

 

Hence, this is the answer