Question

If pth, qth, and rth term 9d an AP are a, b, c respectively, sjow that (q-r)a+(r-p)b+(p-q)c=0

Answer 1

Answer:

Hey mate,

Step-by-step explanation:

Sum of n terms of AP is given by,

n/2 * (2a+(n-1)d)

As AP is same , let first term be a Nd common difference be d.

a= p/2(2a+(p-1)d)

b= q/2(2a+(q-1)d)

c = r/2(2a+(r-1)d)

Substituting these values you would get the resultant answer .

Hope it helps you dude.If so tag me as brainliest please.

Have a great day.