English Medium कक्षा ९ - CBSE Question Bank Solutions for Mathematics

Find the cube of the following binomials expression :

\[4 - \frac{1}{3x}\]

If a − b = 4 and ab = 21, find the value of a³ −b³

If \[x + \frac{1}{x} = 5\], find the value of \[x^3 + \frac{1}{x^3}\]

If \[x - \frac{1}{x} = 7\], find the value of \[x^3 - \frac{1}{x^3}\].

If \[x - \frac{1}{x} = 5\], find the value of \[x^3 - \frac{1}{x^3}\]

If  \[x^2 + \frac{1}{x^2}\], find the value of \[x^3 - \frac{1}{x^3}\]

If \[x^2 + \frac{1}{x^2} = 98\] ,find the value of \[x^3 + \frac{1}{x^3}\]

Evaluate of the following:

(103)³

Evaluate the following:

 (98)³

Evaluate of the following:

 (9.9)³

Evaluate of the following: 

`(10.4)^3`

Evaluate of the following: 

 (598)³

Evaluate of the following: 

(99)³

Evaluate of the following:

 111³ − 89³

Evaluate of the following:

 46³+34³

Evaluate of the following:

104³ + 96³

Evaluate of the following:

93³ − 107³