Question

If pth qth and rth term of an a.p is x,y,z respectively. show that x(q-r)+ y(r-p)+ z(p-q) =0​

Answer 1

Answer:

ap=a,aq=b,av=c.

LHS=a(q-v)+b(v-p)+c(p-q)

=(a-c)q+(b-a)v+(c-b)p.........(1)

a=ap=a+(p-1)d=. a+pd-d

all of them b. and c also this

type mudenadu formulla thara madu

Answer 2

Answer:

0=0

Step-by-step explanation:

p=x,q=y,r=z

Now substituting in the equation

x(y-z)+y(z-x)+z(x-y)=0

xy-xz+yz-yx+zx-zy=0

After cancellation You get

0=0

Hence Proved