Evaluate `39^3 -21^3`

Evaluate 1^3+2^3+3^3+...+21^3

Evaluate: (a) (8)^(3) (b) (15)^(3) (c) (21)^(3) (d) (60)^(3)

Evaluate |[1,2,3],[-2,3,2],[3,4,-4]|xx|[-2,1,3],[3,-2,1],[2,1,-2]| . Using the concept of multiplication of determinants.

Evaluate |[1,2,3],[-2,3,2],[3,4,-4]|xx|[-2,1,3],[3,-2,1],[2,1,-2]| . Using the concept of multiplication of determinants.

Evaluate |[1,2,3],[-2,3,2],[3,4,-4]|xx|[-2,1,3],[3,-2,1],[2,1,-2]| . Using the concept of multiplication of determinants.

Evaluate |[1,2,3],[-2,3,2],[3,4,-4]|xx|[-2,1,3],[3,-2,1],[2,1,-2]| . Using the concept of multiplication of determinants.

If a-b=4 and ab=21, find the value of a^(3)-b^(3)

If a-b=4 and a b=21 , find the value of a^3-b^3

Find the value of : 39-35+7-(-4)+21