9. Find the smallest number by which each of following should be divided to obtain a perfect squares 1) 980 2) 1575
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answer is 15 and 13 mark as brainlist
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Step-by-step explanation:
980=2 x 2 x 5 x 7 x 7
Dividing by 5
980/5=2 x 2 x 7 x 7
196=14^2
Hence division by 5 is needed
2) 1575=3 x 3 x 5 x 5 x 7
7 is extra
hence divide by 7
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