allery7^25 இன் அலகு இலக்கம் என்ன?
A1
B3
C7
D9
Answer & Solution
Correct answer: C. 7
7^n சுழற்சியின் அலகு இலக்கங்கள்: 7, 9, 3, 1, 7, 9, 3, 1... (காலம் 4).
25 மோட் 4 = 1, எனவே அலகு இலக்கம் 7^1 = 7 உடன் பொருந்துகிறது.
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