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If a1, a2, a3, be terms of an A.P. if (...

If `a_1, a_2, a_3, ` be terms of an A.P. if `(a_1+a_2++a_p)/(a_1+a_2++a_q)=(p^2)/(q^2), p!=q ,t h e n(a_6)/(a_(21))` equals 41/11`` b. 7/2`` c. 2/7`` d. 11/41

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