For an arithmetic series with $p$th, $q$th and $r$th terms equal to $a, b, c$ respectively, the value of $a(q - r) + b(r

Question

For an arithmetic series with $p$th, $q$th and $r$th terms equal to $a, b, c$ respectively, the value of $a(q - r) + b(r - p) + c(p - q)$ is —

Accepted Answer

$0$

Answer

$abc$

Answer

$a + b + c$

Answer

$1$

For an arithmetic series with pppth, qqqth and rrrth terms equal to a,b,ca, b, ca,b,c respectively, the value of a(q−r)+b(r−p)+c(p−q)a(q - r) + b(r - p) + c(p - q)a(q−r)+b(r−p)+c(p−q) is —