Question

If a, b and c are in A.P show that: (i) 4a, 4b and 4c are in A.P (ii) a + 4, b + 4 and c + 4 are in A.P.

Answer 1

Answer:

a b c are in AP hence b-a=c-b

Step-by-step explanation:

b-a=c-b

i) by the condition of AP

4b-4a=4c-4b

4(b-a)=4(c-b)

b-a=c-b

hence proved....

similarly you can do next example

I HOPE YOU WILL UNDERSTAND THIS....