how to solve these questions?
Asked by tuhina sanwal | 12th Mar, 2011, 11:57: PM
to find any term of the AP. we need the first term a and the common difference d.
let a and d be the first term and common diff of the A.P.
solving we get,
so using the formula for sum of n terms and putting n=pq we get the sum of pq terms
pl send rem qns in seperate mails. one qn in one mail.
Answered by | 12th Mar, 2011, 07:50: PM
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