Question

if p, q, r are three consecutive terms of an AP then q will be ____ of p and r​

Answer 1

Answer:

(q+r)

1

;

(r+p)

1

;

(p+q)

1

are in A.P.

r+p

2

=

q+r

1

+

p+q

1

=

(q+r)(p+q)

p+2q+r

∴2(pq+q

2

+rp+rq)=rp+2qr+r

2

+p

2

+2pq

⇒2q

2

=r

2

+p

2

∴p

2

,q

2

,r

2

are in A.P.

Answer 2

Answer:

mean of pr

Step-by-step explanation:

check it. is it correct?