Djbreezy1 Djbreezy1

21-04-2016
Mathematics

contestada

find the least number by which 112 must be multiplied to give a perfect square

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21-04-2016

i think its 6 as the product of 6 and 112 is 672

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apologiabiology apologiabiology

21-04-2016

perfect square

factor and find pairs to make perfect square
example
36=2*2*3*3=(2*2)*(3*3)
we need paris

factor 112
112=2*2*2*2*7=(2*2)*(2*2)*(7)
we need a pair for 7
so we just need to multiply it by 7
112*7=784
784=2*2*2*2*7*7=(2*2)(2*2)(7*7)=28^2

answer is 7

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