Find square root of 78 by repeated subtraction
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78-1=77
77-2=75
75-3=72
72-4=68
68-5=63
63-6=57
57-7=50
50-8=42
42-9=33
33-10=23
23-11=11
11-12=-1
that indicate that it is not a perfect square number.
77-2=75
75-3=72
72-4=68
68-5=63
63-6=57
57-7=50
50-8=42
42-9=33
33-10=23
23-11=11
11-12=-1
that indicate that it is not a perfect square number.
Answered by
0
Answer:It is not a perfect square number.
Step-by-step explanation:78-1=77
77-3=74
74-5=69
69-7=62
62-9=55
55-11=44
44-13=31
31-15=16
16-17
It can't be further subtracted because negative answer will come . Now since zero was not obtained in the end. So, it is not a perfect square number.
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