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If a+b=11 and a2 + b2=61,find …

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If a+b=11 and a2 + b2=61,find ab

    • Posted by Ashutosh Kumar Pandey 5 years ago

    ICSE & ISC > Class 09 > Mathematics
    • 3 answers

    Sourav Kumar 4 years, 10 months ago

    A+b=11 (A+b)^2=11^2 A^2+b^2+2ab=121 2ab=121-61 Ab=60÷2 Ab=30

    1Thank You

    Sourav Kumar 4 years, 10 months ago

    30

    0Thank You

    《Shivam 》 5 years ago

    39

    0Thank You

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