the unit digit in (7^95-3^58) is ?
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(7^95- 3^58)
divided 95/4 remains 3 and 58/4 remains 2
(7^3-3^2)
hence unit digit is 4
divided 95/4 remains 3 and 58/4 remains 2
(7^3-3^2)
hence unit digit is 4
BishalDas:
Many many thanks
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