Math, asked by sansjosh, 10 months ago

Evaluate 998​ using suitable identity.

Answers

Answered by abhayshukla987650
6

Answer:

998=1000-2

998³=(1000-2)³,which is in the form of (a-b) ³

(a-b) ³=a³-b³-3ab(a-b)

that implies, 1000³-2³-3*1000*2(1000-2)

=1000000000-8-6000(998)

=1000000000-5988000-8

=994011992

therefore, 998³=994011992

pls mark it brainlist answer pls

Answered by 9628502498a
1

Answer:

1000 - 2 ka whole square kr do bs

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