Math, asked by Tarunghosh3654, 8 months ago

Evaluate (998)³ Please tell me the answer

Answers

Answered by keshavshukla4551

0

Answer:

998=1000-2

(998)³ = (1000-2)³, which in form of (a-b) ³

(a-b)³ = a³-b³ -3ab(a-b)

this implies:

1000³-2³-3*1000*2(1000-2)

= 1000000000-8-6000(998)

= 1000000000-5988000-8

= 994011992

therefore, (998)³ = 994011992

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