For each question, select the proper option from four options given, to make the statement true : (Final answer only)

The rationalising factor of $4-\sqrt{5}$ is...........

  • A

    $4-\sqrt{5}$

  • B

    $4+\sqrt{5}$

  • C

    $\sqrt{5}-4$

  • D

    $5-\sqrt{4}$

Similar Questions

Which of the following is irrational?

Rationalise the denominator of the following:

$\frac{16}{\sqrt{41}-5}$

Simplify:

$64^{-\frac{1}{3}} + 64^{\frac{1}{3}} - 64^{\frac{2}{3}}$

Simplify:

$(\frac{1}{27})^{\frac{-2}{3}}$

Find three different irrational numbers between the rational numbers $\frac{1}{3}$ and $\frac{7}{9}$.