Question

evaluate (92) whole cube​

Answer 1

(105)

3

=(100+5)

3

=(100)

3

+(5)

3

+3(100)(5)(100+5).............(∵(x+y)

3

=x

3

+y

3

+3xy(x+y))

=1000000+125+1500(105)

=1000000+125+157500=1157625