Question

aing prime factors
Find the cube root of the following numbers without finding prime factors :
( ) 157464
(ii) 5832
(iii) 19683
(iv) 13824​

Answer 1

Answer:

Seperate 157464 in two parts

(157) (464)

Take Ist part= 464

Digit on unit place= 4

Cube of 4= 4*4*4=64

Take only unit digit=4

Now take second part=157

157 lies in 5^3 to 6^3

For example..... 157 lies in (125 to 216)

take 5 for tens place

So the number will be 54

Check.......54*54*54=157464

Answer 2

Answer:

Here is your answer mate

1..... 54

2.....18

3.....27

4.....24

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