English Medium कक्षा ९ - CBSE Question Bank Solutions for Mathematics

If 9^x+2 = 240 + 9^x, then x =

If x is a positive real number and x² = 2, then x³ =

If \[\frac{x}{x^{1 . 5}} = 8 x^{- 1}\] and x > 0, then x =

If g = `t^(2/3) + 4t^(-1/2)`, what is the value of g when t = 64?

If \[4x - 4 x^{- 1} = 24,\] then (2x)^x equals

When simplified \[(256) {}^{- ( 4^{- 3/2} )}\] is

If \[\frac{3^{2x - 8}}{225} = \frac{5^3}{5^x},\]  then x =

The value of 64^-1/3 (64^1/3-64^2/3), is

If \[\sqrt{5^n} = 125\] then  `5nsqrt64`=

If (16)^2x+3 =(64)^x+3, then 4^2x-2 =

If \[2^{- m} \times \frac{1}{2^m} = \frac{1}{4},\] then \[\frac{1}{14}\left\{ ( 4^m )^{1/2} + \left( \frac{1}{5^m} \right)^{- 1} \right\}\]  is equal to

If \[\frac{2^{m + n}}{2^{n - m}} = 16\], \[\frac{3^p}{3^n} = 81\] and \[a = 2^{1/10}\],than  \[\frac{a^{2m + n - p}}{( a^{m - 2n + 2p} )^{- 1}} =\]

If \[\frac{3^{5x} \times {81}^2 \times 6561}{3^{2x}} = 3^7\]  then x =

If o <y <x, which statement must be true?

If 10^x = 64, what is the value of \[{10}^\frac{x}{2} + 1 ?\]

\[\frac{5^{n + 2} - 6 \times 5^{n + 1}}{13 \times 5^n - 2 \times 5^{n + 1}}\]  is equal to

If \[\sqrt{2^n} = 1024,\] then \[{3^2}^\left( \frac{n}{4} - 4 \right) =\]

The simplest rationalising factor of  \[\sqrt[3]{500}\] is 

The simplest rationalising factor of \[\sqrt{3} + \sqrt{5}\] is ______.

The simplest rationalising factor of \[2\sqrt{5}-\]\[\sqrt{3}\] is