if √5=2.236,then (3-√5)/(3+√5)=?
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You can apply formula a^2-b^2 and then put the value
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multiply and divide by 3-√5
which is equal to (3-√5)^2/4 = 14-6√5/4 = 14-6*2.24/4 = 14-13.44/4 = 0.56/4 = 0.14
which is equal to (3-√5)^2/4 = 14-6√5/4 = 14-6*2.24/4 = 14-13.44/4 = 0.56/4 = 0.14
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