if the sum of first p,q,r terms of an AP are \( a, b, c \) respectively then \( \frac{a}{p}(q-r)... VIDEO
if the sum of first p,q,r terms of an AP are \( a, b, c \) respectively then \( \frac{a}{p}(q-r)+\frac{b}{q}(r-p)+\frac{c}{r}(p-q) \) is equal to:https://bit.ly/YTAI_PWAP https://www.pw.live
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