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a2+b2+c2=250,ab+bc+ac=3,a+b+c=?

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a2+b2+c2=250,ab+bc+ac=3,a+b+c=?

    • Posted by Lal Prabhakar Singh 6 years ago

    CBSE > Class 09 > Mathematics
    • 2 answers

    Yogita Ingle 6 years ago

    (a + b + c)² = a² + b² + c² +2(ab + bc + ca)
                =250 + 2 × 3
                 = 256
    a + b + c = √256
              = 16

    0Thank You

    Dishita Tuteja 6 years ago

    Appy identity for (a+b+c)2 then put values and answer comes out to be 16

    0Thank You

    ANSWER
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