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3 + root2 is irrational if …

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3 + root2 is irrational if root 2 is irrational given

    • Posted by Vaibhav Mittal 7 years, 9 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Nyayir Riba 7 years, 9 months ago

    Let us assume that 3+root2 is rational. i.e 3+root2=p/q(p and q are rational no.) Now, 3+root2=p/q root2=(p-3q)/q Since,(p-3q)/q are rational no. Therefore root2 is also rational no. which is contradictory as we know root2 is irrational. Therefore,3+root2 is irrational. Proved....

    1Thank You

    D J 7 years, 9 months ago

    Explain plz

    0Thank You

    Sankalp Kumar 7 years, 9 months ago

    Yes

    0Thank You

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