Question

How to calculate root in maths? with No calculation divice

Answer 1

hey !!

If u want to calculate root for perfect numbers then its very simple

example :- root of 4 = 2

root of 9 = 3

root of 25 = 5

here we are squaring on both sides

5 = root of 25

5^2 = 25

25 =25

Answer 2

you can use many method.firstly make the LCM of the number like the lcm of 900 is 2*2*3*3*5*5 then find groups of two similarly number 2*2 ,3*3, 5*5 so 2 ,3 and 5 then multiply these 2*3*5 equal to 30 .30 is the LCM.