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Route 5 is irrational prove

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Route 5 is irrational prove

Posted by Rahul Barsoliya 3 months, 1 week ago

CBSE > Class 12 > Mathematics

1 answers

Shanika Sharma 3 months ago

Let √5 be a rational number. then it must be in form of p/q where, q≠0 ( p and q are co-prime) √5=p/q √5×q=p Squaring both side 5q²=p² --------------(1) p² is divisible by 5. So, p is divisible by 5. p=5c Squaring both side p²=25c2 -----------(2) Put p² in eqn.(1)

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