The first term of the sequence is 10 and the term to term rule is multiply by 2 and subtract by 5 .
Manish says that, after the first term , every term of this sequence has a units digit of 5
Explain why he is correct ?
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the sequence is
10,(10*2)-5
10,20-5
10,15
similarly
10,15,25,45,85,165
it is proved that statement is correct
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