Question

The value of 992

is

(a) (90)2 + 2(90)(9) + (9)2

(b) (90)2 – 2(90)(9) + (9)2

(c) (90)2 + (9)2

(d) none of these​

Answer 1

Answer:

a

Step-by-step explanation:

a) (90)2+2(90)(9)+(9)2