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Progression Question

Submitted by ums131 on Mon, 2007-10-29 12:25

plz solve

The first term of an AP is 10 and 11th term is 40. Find the sum of the squares of the first 20 terms of the progression.

a. 34790

b. 35210

c. 35630

d. Cannot be determined

‹ Quadratic Equation length of string ›

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Posted on: Mon, 2007-10-29 15:50 #1
       The answer

 

     The answer is

       (c)  35630

      thank u

       shahid

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