enthusiast wrote:
If \(\frac{1}{x} < \frac{1}{y}\), then which of the following must be true?
a. y > x
b. x > y
c. x and y < 0
d. x and y > 0
e. None of these
Don't cross multiply in case of fraction until u know the signs of x and y ........
possible cases ----
if x and y both negative
if x and y both positive
if either x or y is negative or positive
thus it is NOT possible here to find out the answer
E is the best option