Multiple Choice Questions on What is the x a x b x c equal to ........ for CDS Exam Preparation

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Multiple Choice Questions

What is the x a x b x c equal to ........

Quantitative Aptitude (CDS) Simplification
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    What is the (x - a)(x - b)(x -c) equal to ?

    x3-(a+b+c)x2+(bc+ca+ab)x-abc

    Correct Answer

    x3+(a+b+c)x2+(bc+ca+ab)x+abc

    Incorrect Answer

    x3- (bc+ca+ab)x2+(a+b+c)x-abc

    Incorrect Answer

    x3+ (bc+ca+ab)x2-(a+b+c)x-abc

    Incorrect Answer
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    Explanation:

    (x - a)(x - b)(x -c) = x3-(a+b+c)x2+(bc+ca+ab)x-abc ( by simple formula)

    By: Munesh Kumari
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