4+3under root 5over 4-3underroot 5 rationalise yhe denominator
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4 +3√5 /4-3√5 = 4 +3√5 ×4 + 3√5 / 4-3 √5 × 4 +3√5 = (4 +3√5)whole square /(4) square - (3√5) square = 16 +45 +2 ×4 ×3√5 /16-45 = 61 + 24√5 /-29
4 +3√5 /4-3√5 = 4 +3√5 ×4 + 3√5 / 4-3 √5 × 4 +3√5 = (4 +3√5)whole square /(4) square - (3√5) square = 16 +45 +2 ×4 ×3√5 /16-45 = 61 + 24√5 /-29
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