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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Maths > Chapter 9 - Sequences and Series > 15. The p^th , q^th and r^th terms of an A.P. are a, b, c, respectively. Show that (q – r )a + (r – p )b + (p – q )c = 0

15. The p^th , q^th and r^th terms of an A.P. are a, b, c, respectively. Show that (q – r )a + (r – p )b + (p – q )c = 0

15. The p^th B C q^th and r^th terms of an A.P. are a respectively. Show that (q – r )a + (r – p )b + (p – q )c = 0