English Medium Class 9 - CBSE Question Bank Solutions

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

If \[x + \frac{1}{x} = 3\], calculate  \[x^2 + \frac{1}{x^2}, x^3 + \frac{1}{x^3}\] and \[x^4 + \frac{1}{x^4}\]

Find the value of 27x³ + 8y³, if 3x + 2y = 14 and xy = 8

Find the value of 27x³ + 8y³, if  3x + 2y = 20 and xy = \[\frac{14}{9}\]

If `x - 1/x = 3 + 2sqrt2`, find the value of `x^3 - 1/x^3`

Simplify of the following:

(x+3)³ + (x−3)³

Simplify of the following:

Simplify of the following:

\[\left( x + \frac{2}{x} \right)^3 + \left( x - \frac{2}{x} \right)^3\]

Simplify of the following:

(2x − 5y)³ − (2x + 5y)³

If `x^4 + 1/x^4 = 194, "find"  x^3 + 1/x^3`