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Find the unit digit of (23758)⁶¹⁴⁹ |
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Answer» EXAMPLE : 4993? Now we have TWO methods to solve this but we choose the best way to solve it i.e. through cyclicity We know the cyclicity of 4 is 2 Have a look: 41 =4 42 =16 43 =64 44 =256 DO LIKE THIS METHOD |
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