Question

find the least number of 6412 which must be added to number so as to get q prefect square . also find the square root of the prefect square so obtained​

Answer 1

Answer:

149

Step-by-step explanation:

1. 6412+149=6561
2. 81×81=6561

Answer 2

Answer:

149

Step-by-step explanation:

80 × 80= 6400

so , the smallest number to get perfect square is,

81×81= 3561

so, that 3561- 3412= 149