" 6) Using suitable identity find "((/_a7)^(3)+(0.21)^(2))/((a-97)^(2)-(0.87times0.13)+(0.11)^(2))

Using suitable identity, evaluate: (97)^(3)

10.Using suitable identity prove that: qquad ((0.87)^(3)+(0.13)^(3))/((0.87)^(2)-(0.87times0.13)+(0.13)^(2))=1

Using suitable identity evaluate the (9.7) ^(2) - (0.3) ^(2)

Using suitable identity, prove that : ((0.67)^3+(0.33)^3)/((0.67)^2-(0.67xx0.33)+(0.33)^2)=1

Using suitable identity evaluate the (69.3) ^(2) - (30.7) ^(2)

Expand the using suitable identity. ( 0.9 p - 0.5q) ^(2)