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If \( \sqrt{2}\)  = 1.4, then the value of \( \sqrt{50} - \sqrt{18}\) is :
1. 2
2. 2.8
3. 3
4. 3.4

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Correct Answer - Option 2 : 2.8

Given :

√ 2 = 1.4 

Calculation :

√50 - √18

⇒ 5√2 - 3√2

⇒ 2√2

then ,put the value of √2 = 1.4 

⇒ 2 × 1.4 = 2.8

∴  the value of \( \sqrt{50} - \sqrt{18}\) = 2.8

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