Question

    src="https://www.ixambee.com/questionimage/Chapter/1706762324-15.JPG" alt="" />
    A 4.9 Correct Answer Incorrect Answer
    B 0.5 Correct Answer Incorrect Answer
    C 0.05 Correct Answer Incorrect Answer
    D 0.49 Correct Answer Incorrect Answer

    Solution

    a=2.7, b=2.2   (a-b) (a²+ab+b²)/(a²+ab+b²) =a-b   =2.7-2.2=0.5

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