If f^2*g

Question

If  f^2 g < 0 , which of the following must be true?

(A)  f < 0

(B)  g < 0

(C)  fg < 0

(D)  fg > 0

(E)  f^2 < 0

Leo8 · Answer

B.
 f^2  is always positive hence g has to be negative for inequality to hold true

CounterSniper · Answer

f^2 will always be +ve

for f^2 g < 0 
g must be < 0

so B

KSBGC · Answer

Given

f^2 g < 0

As  f^2  can never be negative , g must be negative.

The best answer is B.

shashankism · Answer

f^2 g < 0 
 f^2  is always +ve.
Hence g<0

Answer B

apurv09 · Answer

B, since f^2 will always be positive

BrushMyQuant · Answer

Given that f^2 g < 0 We know that Square of a number is always >= 0 => f^2 >= 0 So, for f^2 g < 0 , g has to be < 0 As product of two numbers is negative only one one is positive and other is negative. => g < 0 So, Answer will be B Hope it helps! Watch the following video to learn the Basics of Inequalities https://www.youtube.com/watch?v=1THrnWJtOqc

If f^2*g < 0, which of the following must be true?

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