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Prove that 2+3√5 is irrational ?

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Prove that 2+3√5 is irrational ?

    • Posted by Ashim Baraily 10 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Ashim Baraily 10 months ago

    Let us assume that 2+3√5 is rational Here 2+3√5 can be written in the form a/b where a and b is integers and q≠ 0 Where a and b is co prime 2+3√5 =a/b 3√5=a/b - 2/1 3√5= a -2b/3b √5 = a-2b/ 3b * this contradiction has axisen due to our wrong assumption that 2+3√5 is rational *so It is 2+3√5 is irrational.

    2Thank You

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