Question

Please help me in
this question I am study in 8th standard​

Answer 1

Answer:

a) 95²

= (100-5)²

= 100²+5²-(2×5×100)

= 10000 + 25 - 1000

= 9025

b) (20½)²

= (20.5)²

= (20+0.5)²

= 20²+ 0.5² + 20

= 400+0.25+20

= 420.25

hope it helped :)