Guest

If a,b,c are in GP and a+b,b+c,c+a are in AP,then a)b-2a=-c b)b+3c=-2a c)3c-b=2a d)c+b=2a

If a,b,c are in GP and a+b,b+c,c+a are in AP,then


a)b-2a=-c


b)b+3c=-2a


c)3c-b=2a


d)c+b=2a

Grade:12th Pass

2 Answers

Abhishek Patil
16 Points
10 years ago

common difference, d,

(b+c)-(a+b) = (c+a)-(b+c) = d

=> b+c-a-b = c+a-b-c

=> c-a = a-b

=> b-2a = -c

Thus it is the first option(a).

ankitesh gupta
63 Points
9 years ago

 

 

PLZZZZZZZZZZZZ APPROVE THE ANSWER IF IT HELPED YOU BY CLICKIING THE YES BUTTON..................................Smile

1384_74742_B.jpg

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free