Question

√5+³√x= 3 then the value of x is :​

Answer 1

Answer:

sorry I don't know the answer

Answer 2

Given :

$\sqrt{5}+\sqrt[3]{x}=3$

To find : the value of x = ?

Solution :

$\sqrt{5}+\sqrt[3]{x}=3$

So, it can be written as:

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

Cubing both sides, we get :

$x=(3-\sqrt{5}})^3\\\\x=3^3-(\sqrt{5})^3-3\times 3\times \sqrt{5}(3-\sqrt{5})\\\\x=27-5\sqrt{5}-9\sqrt{5}(3-\sqrt{5})\\\\x=27-5\sqrt{5}-27\sqrt{5}+45\\\\x=72-32\sqrt{5}$

Hence, the value of x is $72-32\sqrt{5}$