3root7is irrational numbeer prove

1.	3root7is irrational numbeer prove
Answer» Product of ratinal and irrational is always irrational As a rational no. is wrong and 2√7is a irrational no. HENCE PROVED This is the complete answer . Let 2√7 as a rational no. So, it can be written in form p\\q where q is not equal to 0 .So, 2√7= p\\q Now, we will solve it further so it will be,√7=P\\2q But we already know that √7 is an irrational no, so our contraprediction of 2√7 is a

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