Question

By repeated subtraction of odd numbers starting
from 1, find whether the following numbers are
perfect squares or not? If the number is a perfect
square then find its square root.
(1) 121
(ii) 55
(III) 36
(V) 49​

Answer 1

Step-by-step explanation: i]121

121- 1= 120

120-3 = 117

117 - 5 =112

112-7 =105

105 - 9 = 96

96 - 11 = 85

85-13=72

72-15=57

57-17=40

40-19=21

21-21=0

all are in same method