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(4+√5) (4-√5)

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(4+√5) (4-√5)

    • Posted by Arvind Yadav Yadav 5 years, 7 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Yogita Ingle 5 years, 7 months ago

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

    (4+√5) (4-√5) = (4)2 - (√5)2 = 16 - 5 = 11

    1Thank You

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