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4th term of an AP is zero.find 25th term |
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Answer» 4th term=a+3d=201025th term=3(3rd term)a+24d=3(a+2d)a+24d=3a+6d18d=2aso a=9d9d+3d=12d=2010so d=167.5a+502.5=2010so a=1507.5 |
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