Question

pls dont answer if u dont know

Answer 1

Answer:

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Answer 2

Answer:

$\frac{7 + 3\sqrt{5} }{3 + \sqrt{5} } - \frac{7 - 3\sqrt{5} }{3 - \sqrt{5} }$ = $\frac{(7 + 3\sqrt{5})(3 - \sqrt{5}) - (7 - 3\sqrt{5})(3 + \sqrt{5}) }{9 - 5}$ = 21 + 2√(5) -15 - 21 + 2√(5) + 15

= 4√(5)/4 = √(5) = a + √(5)*b

a = 0, b = 1

HOPE IT HELPS YOU

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