Question

8. If a1 , a2... an
are in H.P., then the expression a a1a2
+ a2a3 + ... + an-1 an is equal to
(a) (n-1) a, ang (b) n(d,-a)
(c) (n-1) (a, -an)
(d) na, an
​

Answer 1

Answer:

plz wright the question carefully

Answer 2

Answer:

asquar kai n-1 kal ka jo tha to paisa hi tha