Hey Guys do you know tricks how to find square of any no more than 100.?
Answers
Answered by
4
use the formula (a+b)^2
shrava28:
it's like a trick
if you have 109...(100+9)
it's so easy
no i m not satisfied
fine
there's no such trick
ok
I know 3 or 4 tricks
fine
ok
Answered by
2
eg.
let the digit be (112)^2
add the last 2 digit to the given digit
112+12=124 -------(1)
now, put two zeroes at the end of eq.(1)
we get,
12400
now add the square of 12 to 12400
12400+144=12544.
hence 12544 is the required square.
let the digit be (112)^2
add the last 2 digit to the given digit
112+12=124 -------(1)
now, put two zeroes at the end of eq.(1)
we get,
12400
now add the square of 12 to 12400
12400+144=12544.
hence 12544 is the required square.
Similar questions