Square root in just 5 second
How we can find the squre root of number whose last digit is '5' ?
Find square root '1455'
STEP 1 :
First we will split the given square root from the last digit which is '5'.
like this :
VALUE ONE : 145 and VALUE TWO : 5
STEP 2 :
Now we will take VALUE ONE and Multiply it with its successor value like given below:
VALUE ONE : 145 and SUCCESSOR VALUE : 146
Multiply both the value : 21170
STEP 3 :
Now we will take VALUE TWO and Multiply it with '5':
Then we will get VALUE TWO : 25