Question

if x = 3- root 5 then find root x
$if x = 3- root 5 then find root x$

Answer 1

Answer:

x = 3- √5

$\sqrt{x} =\sqrt{3-\sqrt{5} }$

$\sqrt{x} =\sqrt{3-{2.24} }$                         [approx. value of √5=2.24]

$\sqrt{x} =\sqrt{0.76}$

∴ √x =0.87  (approx.)

           

Answer 2

0.87

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