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    Question

    If (x - 5)2┬а- (x + 5)2┬а= 0, then

    what is the value of 'x'?
    B 20 Correct Answer Incorrect Answer
    C 8 Correct Answer Incorrect Answer
    D - 20 Correct Answer Incorrect Answer

    Solution

    We have given, (x - 5)2┬а- (x + 5)2┬а= 0 Using (a2┬а- b2) = (a + b)(a - b) (x - 5 + x + 5)(x - 5 - x - 5) = 0 Or, 2x X (-10) = 0 Or, - 20x = 0 Or, 'x' = 0/-20 = 0┬а

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