q^th and r^th terms of an A.P. are a

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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
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Oct
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 [...]
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Tags: 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 ,