Question

(2.7)^3-(1.6)^3-(1.1)^3 find using suitable identity

Answer 1

Answer:

a=2.7

b=-1.6

c=-1.1

a+b+c= 2.7+(-1.6)+(-1.1)

=0

a+b+c=0

Hence a^3 +b^3+c^3=3abc

3×2.7×1.6×1.1

=14.256