By what number should 8820 must be multiplied to get a perfect square?
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8820(factorisation)
=2×2×5×21×21
.°.5 should be divided to get a perfect square
=2×2×5×21×21
.°.5 should be divided to get a perfect square
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Answer:
Step-by-step explanation:
Resolving 8820 into prime factors, we have
8820= 2*2*3*3*7*7*5
Grouping the factors into pairs of equal factors we are left with one factor 5 which cannot be paired
Thus we multiply the number by 5 so that the number is perfect square
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