Question

EX-3.2
By repeated subtraction of odd numbers starting
from 1 , find whether the following numbers are
perfect squares or not? of the number is a perfect
Square, then find its square root.
1) 144 2) 169 3) 64 4) 56
5) 78 6)81 7) 196 8) 225​

Answer 1

Answer:

1.

144-1=143. #1

143-3=140. #2

140-5=135. #3

135-7=128. #4

128-9=119. #5

119-11=108. #6

108-13=95. #7

95-15=80. #8

80-17=63. #9

63-19=44. #10

44-21=23 #11

23-23=0 #12

So, 144 is square of 12

Step-by-step explanation:

do the same for all