Find the least number which must be added to 6203 to obtain a perfect square. Also, find the square root of the number so obtained.

79

Step-by-step explanation:

       78

7 |       62 03 

          49

148 |   13 03

          11 84

            19

78^2 = 6084.

We observe that 78^2 < 6203.

79^2 = 6241.

We observe that 79^2 > 6203.

Hence the number to be added to 6203 is 6241 - 6203 = 38.

6203 + 38 = 3241

                  = 79 * 79

                  = 79.

Therefore 38 should be added to 6203 to obtain a perfect square.

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step-by-step explanation: