Question

Evaluate using identit
iii) 999 2ka square ​

Answer 1

Answer:

(999)^2

=(1000-1)^2

=(1000)^2 - 2 * 1000 * 1 + (1)^2 [using (a-b) ^2 = (a) ^2 - 2ab + (b) ^2 ]

=1000000 - 2000 + 1

=998001

Hope this helps.....