Question

Find the smallest number by which the given number must be multiplied so that the product is perfect square (a) 12150

Answer 1

Firstly we néed to find out the factors

5 | 12150

5 | 2430

5 | 486

3 | 162

3 | 54

3 | 18

3 | 6

3 | 2

2 | 2

| 1

Factors : 2*3*3*3*3*3*5*5*5

Make pairs of same factors

5*5 3*3 3*3

5*3*2 are not in pairs

To make the pairs we need to multiply by 5*3*2

I.e. 5*5 3*3 2*2

Hence the number is 5*3*2 = 30

Smallest number is 30

Answer 2

Answer:

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Step-by-step explanation:

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