Q.If T1 , T2 , T3 .....Tn are consecutive terms of an AP then prove that 1/T1T2 + 1/T2 T3 +........ + (n-1)/T1 Tn
Q. Find The sum of 20 terms of the series 1^2 - 2^2 + 3^2 - 4^2 + 5^2 ..........
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Q.If T1 , T2 , T3 .....Tn are consecutive terms of an AP then prove that 1/T1T2 + 1/T2 T3 +........ + (n-1)/T1 Tn
Q. Find The sum of 20 terms of the series 1^2 - 2^2 + 3^2 - 4^2 + 5^2 ..........
1 Comment
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