Question

If the real numbers a, c and b as well as a^2 + b^2, a^2 + c2
and b^2 + c^2 are in geometric progression, then which of
the following is necessary true?
(A) a= b
(B) b=c
(C) a=c
(D) a=b=c​

Answer 1

Step-by-step explanation:

option D is the correct ans.