Question

\(\sqrt 5 = 2.2361,\;\sqrt 3 = 1.7321 \Rightarrow \frac{1}{{\sqrt 5 - \sqrt 3 }} = \)
1. 1.984
2. 1.9841
3. 1.98
4. 2

Answer 1

Correct Answer - Option 2 : 1.9841

Given:

\(\sqrt 5 = 2.2361,\;\sqrt 3 = 1.7321 ⇒ \frac{1}{{\sqrt 5 - \sqrt 3 }} \)

Calculation:

According to the question,

⇒ 1/(2.2361 - 1.7321)

⇒ 1/0.504

⇒ 1.9841

∴ The correct answer is 1.9841.