If N is a perfect square and ends with the digit 9, then what will be the digit in the units place of N−−√?
Answers
Answered by
0
Step-by-step explanation:
Answer
Correct option is
A
3 or 7
Only those numbers, when squared will have 9 at their unit place are 3 and 7.
Because 3×3 = 9
and 7×7 = 9
Hence, Option A is correct answer.
Answered by
0
Answer: 3 and 7
Step-by-step explanation:
Answer
Correct option is
A
3 or 7
Only those numbers, when squared will have 9 at their unit place are 3 and 7.
Because 3×3 = 9
and 7×7 = 9
Hence, Option A is correct answer.
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