show tht √5 is an irrational number
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Hence, √5 can be written as in the form ab where a and b(b≠0) are co-prime (no common factor other than 1 ). ... This means that 5 is a common factor of a and b. Hence, our assumption is wrong. ∴√5 is irrational number.
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Hence, √5 can be written as in the form ab where a and b(b≠0) are co-prime (no common factor other than 1 ). ... This means that 5 is a common factor of a and b. Hence, our assumption is wrong. ∴√5 is irrational number.
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