Question

value of √20+√5 ????​

Answer 1

$\bigstar \: \boxed{\sf{\color{red}{ 3 \sqrt{5} }}}$

$\large\bold{\underline{\underline{Step-by-step\:explanation:-}}}$

:⟼  $\sqrt{20} + \sqrt{5}$

:⟼  $\sqrt{2 \times 2 \times5} + \sqrt{5}$

:⟼  $\sqrt{( {2})^{2} \times 5 } + \sqrt{5}$

:⟼  $2 \sqrt{5} + \sqrt{5}$

:⟼  $\sqrt{5} (2 + 1)$

:⟼  $\sqrt{5} (3)$

:⟼  $\boxed{ 3 \sqrt{5} }$