CBSE Class 10 Answered
Ap
Asked by | 13 Jun, 2008, 07:18: PM
Expert Answer
Hi KumarSaurav,
The nth tem of the AP is given by:
Tn = Sn - Sn-1
Sn = 4n - n2
Thus Tn = 4n - n2 - 4(n-1) + (n-1)2
To get the 1st, 3rd and 10th term simply substitute the value of n as 1, 3 and 10 in the above expression.
To get the sum of the first 2 terms substiute the value of n as 2 in the expression for Sn
Topper Learning Team
Answered by | 14 Jun, 2008, 12:14: PM
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