√5-1/√5+1 rationlizerationlize
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Answer=(3-√5)/2
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Answer:(3-√5) /2
Step-by-step explanation:
√5-1 / √5+1
= (√5-1)(√5-1) /(√5+1) (√5-1)
= 5+1-2√5 / 5-1
= (6-2√5) /4
= 2(3-√5) /4
= 3-√5 / 2
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