Math, asked by npmishra4, 9 months ago

9. To evaluate 998 the best option is the expansion of​

Answers

Answered by Thirilok
1

Answer:

(a-b) ³=a³-b³-3ab(a-b)

Step-by-step explanation:

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

=1000000000-8-6000(998)

=1000000000-5988000-8

=994011992

therefore, 998³=994011992

Similar questions