Question

Find the value of
$( {52})^{2}$
by short cut method.​

Answer 1

Answer:

$52 \times 52$

$2704$

Answer 2

Explanation:-

First you make three blanks _ _ _

Last digit is 2. So square of 2 is 4. In the last balnk write 4

Now frst digit is 5. So square of 5 is 25. In first blank write 25.

Now multiply as follows

(52)²=5×2×2=20

Now write in second blank as 0. And add 2 in 25.

Your answer is 2704.