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Use the Identity (a-b) (a+b) +(b-c) …

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Use the Identity (a-b) (a+b) +(b-c) (b+c) +(c-a)(c+a)

    • Posted by Vishakha Gajja 6 years, 4 months ago

    CBSE > Class 08 > Mathematics
    • 1 answers

    Yogita Ingle 6 years, 4 months ago

    (a-b) (a+b) +(b-c) (b+c) +(c-a)(c+a)
    = (a2 - b2) + (b2 - c2) + (c2 - a2)
    = a2 - b2 + b2 - c2 + c2 - a2

    = 0

    3Thank You

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