NABTEB Mathematics 2025 Objective — Question 28

Question 28 of 60 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.

Find the values of x for which the expression (2x^2-5x+3)/(4x^2-196) is undefined.

A. +/-4
B. +/-6
C. +/-7Correct

Explanation

The expression is undefined where the denominator is zero: 4x^2-196=0, x^2=49, x=+/-7.

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