Question

Four of the five parts numbered (1), (2), (3), (4) and (5) are exactly equal. The number of that part which is not equal will be your answer.

A √12 - √3 Correct Answer Incorrect Answer
B √147 - 2√48 Correct Answer Incorrect Answer
C √27 - √48 Correct Answer Incorrect Answer
D 5√3 - √108 Correct Answer Incorrect Answer
E 2√75 - √363 Correct Answer Incorrect Answer

Solution

√12 - √3 = √3 √147 - 2√48 = - √3 √27 - √48 = - √3 5√3 - √108  = - √3 2√75 - √363 = - √3

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