b+c, c+a, a+b are in H.P., then a^2, b^2, c^2will be in

a. AP

b. GP

c. HP

d. None of these

Explain the steps and how to approach in such questions

Dear Saawan,

The correct answer is b. GP

BEST OF LUCK..!!!!

Plz approve the answer....!!

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AMAN BANSAL

i know that the answer is b.

But tell me the explaination.!!

b+c, c+a, a+b are in H.P

1/b+c, 1/c+a, 1/a+b are in A.P.

2/c+a=1/b+c+1/a+b

by solving u get

2b² =a²+c²

So a^2,b^2,c²  are in A.P.

I think answer is A.P.