Question

f(x) = x2 + 2ax + 1 and a is root of the equation
f(x)= 0, where a is real. Which one of the follow-
ing is correct ?
(a) f(a)= 0 and f(1/a) = 0
(b) f(a)= 0 and f(1/a) = 0
(c) f(a) = 0 and f(1/a) = 0
(d) f(a) = 0 and f(1/a)+ 0
11​

Answer 1

Answer:

b is the right answer

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