" ii."(1)/(8a^(3))+(8)/(b^(3))

Factorise : (1)/(8a^(3))+(8)/(b^(3))

Factorise : (i) 9a^(3)-27b^(3) " " (ii) a^(3)-343 " " (iii) a^(3)-(27)/(a^(3)) " " (iv) 1+8a^(3) " " (v) (a+b)^(3)-(a-b)^(3) .

Factorise : (8a^(3))/(27) - (b^(3))/(8)

If 2x - (1)/(2x) =4 , find : (ii) 8x^(3) - (1)/( 8x^3)

Find the multiplicative inverse of (i) -(1)/(8)" " (ii) 3(1)/(3)

Evaluate {((1)/(3))^(-1)-((1)/(4))^(-1)}^(-1) (ii) ((5)/(8))^(-7)xx((8)/(5))^(-4)

Draw number lines and locate the following points: (i) (1)/(4),(1)/(2),(3)/(4),(4)/(4) (ii) (1)/(8),(2)/(8),(3)/(8),(5)/(8),(7)/(8) (iii) (2)/(5),(3)/(5),(4)/(5),(8)/(5)

Factorise : (i) 125a^(3)+(1)/(8) " " (ii) 8a^(3)-27b^(3)

Factorise : (i) 125a^(3)+(1)/(8) " " (ii) 8a^(3)-27b^(3)