Question

4. Find the least number which must be subtracted from each of the following numbers
so as to get a perfect square. Also find the square root of the perfect square so
obtained.
1) 402​

Answer 1

Answer:

2 must be subtracted

Step-by-step explanation:

If 2 is subtracted from 402 It becomes 400 which is the perfect square of 20

Answer 2

Answer:

ans : 2

Step-by-step explanation:

if 2 is subtracted from 402

= 402-2= 400

the root of 400

√400=20