Question

Find out x square if x is equal to 3+root7/2

Answer 1

Step-by-step explanation:

${x}^{2} = (\frac{3 + \sqrt{7} }{2} ) {}^{2} = \frac{{3}^{2} + 2(3)(\sqrt{7}) + (\sqrt{7} ) {}^{2} }{4} = \frac{16 + 6 \sqrt{7} }{4}$

$= > \frac{2(8 + 3 \sqrt{7}) }{4} = \frac{8 + 3 \sqrt{7} }{2}$

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