CBSE Class 8 Answered
Show that the square of an odd number is always odd.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The unit's place digit of any odd number is either 1, 3, 5, 7 or 9.
And, we know:
And, we know:
Clearly the unit's place digit of the square of any number with an odd unit's digit is also odd.
Thus, the square of an odd number is always odd.
Answered by | 04 Jun, 2014, 03:23: PM
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