Question

Can anyone give me the solutions of Chapter 3 squares and square roots ex.3.1 only please​

Answer 1

question 2

3) 3025

5 |3025

5 |605

11 |11

____

1

= 5x5 x11x11

after pairing the same prime factor, we see that no factor is left

so, 3025 is a perfect square and is the perfect square of 5x11 = 55

question 3

1008

2 |1008

2 | 504

2 | 252

2 | 126

3 | 63

3 | 21

7 | 7

____-

1

= 2x2x2x2x3x3x7

After pairing the same kind of prime factor

one factor 7 is left

so, by multiplying 1008 by 7

we shall get a perfect square

: Required smallest number = 7

question 4

5808

2 | 5808

2 | 2904

2 | 1452

2 | 726

3 | 363

11 | 121

11 | 11

_____-

1

= 2x2x2x2x3x11x11

after pairing the same kid of prime factor

we see that factor 3 is left

so, by dividing the number by 3 we get a perfect square

: the square root of the resulting number

= 2x2x11 = 44

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