Evaluate the following using suitable identit | vedclass

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Question

We have

$99=100-1$

$	herefore \quad 99^{3} =(100-1)^{3}=100^{3}-1^{3}-3(100)(1)(100-1) $

$=1000000-1-300(100-1)=1000000-1-30000+300 $

$=1

Vedclass · Accepted Answer

$970299 $

Vedclass · Answer

We have

$99=100-1$

$	herefore \quad 99^{3} =(100-1)^{3}=100^{3}-1^{3}-3(100)(1)(100-1) $

$=1000000-1-300(100-1)=1000000-1-30000+300 $

$=1000300-30001=970299 $

Evaluate the following using suitable identities : $(99)^{3}$

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