find the square of 78 by using column method​

Question

find the square of 78 by using column method​

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Eva 2 months 2021-11-10T21:08:12+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-10T21:09:18+00:00

    Answer:

    78²

    a=7

    b=8

    a2+15

    49+15

    64

    2*a*b

    2*7*8

    112

    2

    64

    4

    so

    6084

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    0
    2021-11-10T21:10:07+00:00

    Answer:

    6084

    Step-by-step explanation:

    a2 = 49

    b2 = 64

    2*a*b = 112

    => 6084

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