Question

If root 2 is equal to 1.414 2 then find the value of root 2 minus 1 divided by root 2 + 1

Answer 1

Answer:

0.1716

Step-by-step explanation:

$\sqrt{2 } = 1.4142$

$\sqrt{2} - 1 \div \sqrt{2} + 1 \times \sqrt{2 } - 1 \div \\ \sqrt{2} - 1 \\ = ( \sqrt{2} - 1) {}^{2} \div =( \sqrt{2} ) {}^{2} - 1 {}^{2} \\ = 3 - 2(1.1412) \\ = 0.1716$

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