Question

If under root 13-a root 10=,,√8+√5 then the value of a is

Answer 1

Answer:

-0.46136

Step-by-step explanation:

$\sqrt{13}-a\sqrt{10}=\sqrt{8}+\sqrt{5}\\\\a\sqrt{10}=\sqrt{13}-\sqrt8-\sqrt5\\\\10a=\sqrt{130}-\sqrt{80}-\sqrt{50}\\\\10a=\sqrt{130}-4\sqrt5-5\sqrt2\\\\10a=-4.6136\\\\a=-0.46136$

Hope it helps