Prove that 4−√5 is an irrational number, given that √ is an irrational number
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Let 4 - √5 be a rational number, hence it can be expressed in the form of p/q where p&q are co-prime integers. ... Hence, 4 - √5 is irrational.
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Step-by-step explanation:
4-√5 Is irrational
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