Question

1. Find the least number by which 162 must be divided so as
to make it a sq have number. Also find the square root of
the resulting to number​

Answer 1

Answer:

2

Step-by-step explanation:

1). 2 | 162

3 | 81

3 | 27

3 | 9

3 | 3

| 1

162= 2×3×3×3×3

For making it a Perfect Square, we have to pair the divisor.

162= 2×(3×3)×(3×3)

So, No. 2 will be left out..

And we have to divide the No. 2 from the given No. 162 to get a Perfect Square....

2). 162÷2

= 81

So, (81) is a perfect square

And the Ans to your Question is (2)

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Answer 2

Answer:

Step-by-step explanation:

We have , 162 =2×3×3×3×3

162=2×3⁴

The factor 2 is without a pair . So , if we divide 162 by 2 we get a perfect square .

Therefore,

162÷2=3⁴

√81=√3⁴=3²=9

The number is 2.

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