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CBSE Class 10 Answered

plzzzzzz solve this
Asked by | 24 Jun, 2009, 11:57: AM
answered-by-expert Expert Answer

let the first term and common diff of the A.P.be a and d resply.

Acc to formula for the sum of n terms we get,

(11/2)[2a+10d]=429

and

(23/2)[2a+22d]=1863

so we get, the equations are

11a+55d=429

and

23a+243d=1863

solve these to find the values of a and d.

from that you can get the terms of the A.P.

 

Answered by | 24 Jun, 2009, 05:44: PM

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