Complex Numbers And Quadratic Equations question 573
Question: If the roots of equation $ 5x^{2}-7x+k=0 $ are reciprocal to each other, then value of $ k $ is [RPET 1995; MP PET 2002]
Options:
A) 5
B) 2
C) 1/5
D) 1
Show Answer
Answer:
Correct Answer: A
Solution:
$ \alpha .\frac{1}{\alpha }=\frac{k}{5} $ or $ k=5 $ .
BETA
