Using the properties of perfect square, find the value of:(i) 59×61 (ii) 99 x 101​

Question

Using the properties of perfect square, find the value of:(i) 59×61
(ii) 99 x 101​

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Piper 1 month 2021-08-14T08:46:06+00:00 1 Answer 0 views 0

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    2021-08-14T08:47:51+00:00

    59*61=(60-1)(60+1)=3600-1 =3599
    99*101=(100-1)(100+1)=10000-1=9999

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