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If a+b=10 ,ab=9 then (a, b) …

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If a+b=10 ,ab=9 then (a, b) =.......?

    • Posted by Deekshith Reddy 6 years ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Deekshith Reddy 6 years ago

    Tqs

    0Thank You

    Prateek Chawla 6 years ago

    A+b=10
    A=10-b
    (10-b)b=9
    b²-10b+9=0
    b²-9b-b+9=0
    b(b-9)-1(b-9)=0
    (B-1)(b-9)=0
    B=1,9
    If b = 1 , then
    A=9
    And if b= 9 , then
    A=1

    1Thank You

    ANSWER
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