Question

Find the squares of the following numbers

(v) 31/40

Answer 1

Square of 31/40

= ( 31 × 31 )/( 40 × 40 )

= 961/1600

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Answer 2

Answer :

The square of 31/ 40 is 961/ 800

Step by step explanation :

How to do square of any number ?

Suppose, We need to do square of "a".

So,

we need to multiply "a" with "a"

=> a × a

=> a²

Power 2 is the symbolic sign of square.

Back to Question: ( 31/ 40 )²

=> (31 × 31) / (40 × 40)

=> 961/ 800

The square of 31/ 40 is 961/ 800