Question

if x² = 11+ 2√30 find:
i) x
ii) 1/x ​

Answer 1

Answer:

PLS MARK ME AS THE BRAINLIEST

Step-by-step explanation:

x² = 11+2√30

⇒ x = $\sqrt{11+2\sqrt{30} }$

⇒ x = $\sqrt{6+5}$

⇒ $\frac{1}{x} = \frac{1}{\sqrt{6+5} }$

After rationalizing we get

⇒ $\frac{1}{x} =$ $\sqrt{6-5}$