Which of the following is equal to $x$?

  • A

    $x^{\frac{12}{7}}-x^{\frac{5}{7}}$

  • B

    $\left(\sqrt{x^{3}}\right)^{\frac{2}{3}}$

  • C

    $\sqrt[12]{\left(x^{4}\right)^{\frac{1}{3}}}$

  • D

    $x^{\frac{12}{7}} \times x^{\frac{7}{12}}$

Similar Questions

Rationalise the denominator of the following:

$\frac{3 \sqrt{5}+\sqrt{3}}{\sqrt{5}-\sqrt{3}}$

Find the value of $a$ :

$\frac{3-\sqrt{5}}{3+2 \sqrt{5}}=a \sqrt{5}-\frac{19}{11}$

Prove that

$\left(\frac{x^{a}}{x^{b}}\right)^{a+b} \times\left(\frac{x^{b}}{x^{c}}\right)^{b+c} \times\left(\frac{x^{c}}{x^{a}}\right)^{c+a}=1$

State whether each of the following statements is true or false

$\sqrt{49}$ is an irrational number.

Rationalise the denominator in each of the following

$\frac{4}{\sqrt{10}+\sqrt{6}}$