Square Rules
,
This rules known as base 50/25
How it work—-
Example. 1 What is square of 37 ?
Now 37 compare with base no 50/25
You find… 13/12
Now …. your ans 12.. 13²
=12+1..69(Taken last two digit only)
=1369
Example 2- What is square value of 43 ?
43² = 7² /18
(get from compare 25 ie 43-25=18 and 50-43=7)
=18.. 49
Your ans. =1849
(Rules -Base rule 100)
Now compare number with 100 and follow process —
Example 1- what is square value if 97 ?
97² = (100-97)
Compare with 100 = (3)
= 97-3……3²
Your ans= 94..09(Take two digit)
=9409
Example 2-
113²=
=+13
=113+13……1..69
Your ans =12769
We sure you get it, if you feel any doubt comments me.
Happy learning