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Evaluate (x² – 1)/(x + 1) if x = 3

• A. 0
• B. 3
• C. 2
• D. 1

QUICK ANSWER…

C

SOLUTION…  

Pretty straight forward and simple.

Substituting x = 3 into the expression, we have:

Now for the right answer to the above question:

1. Option A is incorrect.
2. Option B is incorrect.
3. C is correct.
4. D is not the correct answer.

QUICK TIPS…

You may please note these/this:

• Simple substitution and resolution required to get to this answer.

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/ culled from 2015 JAMB-UTME mathematics past question 22 /