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JEE Main & Advanced AIEEE Solved Paper-2010

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    Directions: Questions number 88 are Assertion - Reason type questions. Each of these questions contains two statements: Statement - 1 (Assertion) and Statement - 2 (Reason). Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select the correct choice. Statement - 1: The point A(3, 1, 6) is the mirror image of the point B(1, 3, 4) in the plane\[xy+z=5.\] Statement - 2: The plane\[xy+z=5\]bisects the line segment joining A(3, 1, 6) and B(1, 3, 4). Statement - 1 (Assertion) and Statement - 2 (Reason). Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select the correct choice.     AIEEE  Solved  Paper-2010

    A) Statement -1 is true, Statement -2 is true; Statement -2 is a correct explanation for Statement -1

    B) Statement -1 is true, Statement -2 is true; Statement -2 is not a correct explanation for Statement -1.

    C) Statement -1 is true, Statement -2 is false.

    D) Statement -1 is false, Statement -2 is true.

    Correct Answer: A

    Solution :

    Midpoint of A(3, 1, 6) and B(1, 3, 4) should lie in the plane midpoint : (2, 2, 5) it satisfies the plane\[xy+\]\[z=5\]. Also\[AB\bot \]to plane. Hence Dr's of AB are \[<1,1,1>\]statement 1 and 2 are true


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