Question

Evaluate the following using suitable identities:
(i) (998)​

Answer 1

Answer:

998 can be written as

998 = 1000 – 2

(998)3 = (1000 – 2)3

We know the formula

(a – b)3 = a3 – b3 – 3ab(a – b)

(1000 – 2)3 = (1000)3 – (2)3 – 3 × 1000 × 2(1000 – 2)

(998)3 = 1000000000 − 8 – 5988000

(998)3 = 994011992

hope it helps you dear friend

#Nikki✧༺♥༻✧

Answer 2

Answer:

hope it helps ^^

Step-by-step explanation:

have a great day ^^