Question

3.Find the least number which must be subtracted from 4931 to make it a perfect square. with expansion​

Answer 1

Step-by-step explanation:

Let the number be x

nearest square=4900

ATQ

$\qquad\sf {:}\rightarrowtail 4931-x=4900$

$\qquad\sf {:}\rightarrowtail x=4931-4900$

$\qquad\sf {:}\rightarrowtail x=31$

Answer 2

we have to subtract 31 from 4931 to make it perfect square. we get 4900 which is the square of 70.