Question

3. Find the least number by which the following numbers should be subtracted to obtain a perfect square. Also find the square root of the perfect square thus obtained:
a. 825
b. 2307
C. 4000
D. 13690​

Answer 1

Answer :-

a. 41

28 × 28 = 784

825 - 784 = 41

b. 3

48 × 48 = 2304

2307 - 2304 = 3

C. 31

63 × 63 = 3969

4000 - 3969 = 31

D. 1

117 × 117 = 13689

13690 - 13689 = 1