Expand `(x + 1) ^(3)` using an identity

Expand (4x - 2y-3z) ^(2) using identity

Expand (x + 2)^2 using an identity.

Find (2a + 3b +5) ^(2) using identity.

Evaluate (102)^3 and (97)^3 using suitable identities.

Fractorise 27a ^(3) + b ^(3) + 8c^(3) -18-18 abc using identity.

Find the value of 103 × 97 using appropriate identity.

Now take x = 2, a = 1 and b = 3, verify the identity. • Take different values for x, a and b for verification of the above identity.

Expand : 3sqrt(3) in ascending powers of (1)/(3)

Factorise : 27x^3+y^3+z^3-9xyz using identity.

Expand of the following, using suitable identities : (x-(2/3)y)^3 .