If t n denotes the nth term of an A.P. and tp = 1/q and tq = 1/p, then which of the following is necessarily a root of the equat

If t n denotes the nth term of an A.P. and t_p = 1/q and t_q = 1/p, then which of the following is necessarily a root of the equation (p + 2q – 3r)x² + (q + 2r – 3p)x+(r + 2p – 3q) = 0 is

(a) t_p

(b) t_q

(d) t_p+q

If t n denotes the nth term of an A.P. and tp = 1/q and tq = 1/p, then which of the following is necessarily a root of the equation

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