Question Detail

MTH 102 Limits Objective Question

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In the rationalisation method for limits involving square roots, what is the conjugate of \( 2 - \sqrt{x - 3} \)?

A \( 2 - \sqrt{x + 3} \)

B \( 2 + \sqrt{x - 3} \)

Correct Answer

C \( -2 - \sqrt{x - 3} \)

D \( \sqrt{x - 3} - 2 \)

Option B is the correct answer.

The conjugate of a term involving a square root is found by changing the sign between the two terms.

Example 5 methodology.

Course: MTH 102

Topic: Limits

Type: Objective

Difficulty: Not specified