An arithmetic sequence has a common difference 10 and 6th term 25 find 15th term
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hey friend
Sol.d=10
a6=25
a+5d=25
a+5*10=25
a+50=25
a=-25
a15=a+14d
=-25+14*10
=-25+140=115
hence, a15=115
hope it helps you
thanks
Sol.d=10
a6=25
a+5d=25
a+5*10=25
a+50=25
a=-25
a15=a+14d
=-25+14*10
=-25+140=115
hence, a15=115
hope it helps you
thanks
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