Question

If f, g, and h are all positive number which of the following is NEVER true?

Answer 1

• C) fgh = 0

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Since all numbers are positive, their sum or product can be a positive number but never negative or zero.

• A) f + g = 2h, both sides are positive → true

• B) fh = 1, both sides are positive → true

• C) fgh = 0, at least one of the numbers should be zero → never true

• D) gh = 23, both sides are positive → true