Question

Find the least number which must be added to 6412 to make it a perfect square​

Answer 1

The least no. which must be added to 6412 to make it a perfect square is 149 (6561-6412). =6412+149=6561 =therefore, square root of 6561= 81 Hope it helps if you like the answer then please mark it brainliest

Answer 2

Step-by-step explanation:

6412

∣80

8∣

64

ˉ

12

ˉ

∣−64

160∣012

∣−00

∣12

Since remainder =12

⇒80

2

<6412<81

2

∴ Required number to be added to make it a perfect square is

81

2

−6412=6561−6412=149

∴6412+149=6561

and

6561

=81.