Question

4 प्लस 3 रूट 5 बटा 4 - 3 रूट 5 ​

Answer 1

Answer:

$= 4 + \frac{3 \sqrt{5} }{4} - 3 \sqrt{5} \\ = \frac{16 + 3\sqrt{5}- 12 \sqrt{5} }{4} \\ = \frac{16 - 9 \sqrt{5} }{4} \\ = \frac{16 - 9 \sqrt{5} }{4} \\ = \frac{16}{4} - \frac{9 \sqrt{5} }{4} \\ = 4 - \frac{9 \sqrt{5} }{4}$

Step-by-step explanation:

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