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    Question

    For what value of m will the system of equations

    17x+my+102=0 and 23x+299y+138=0 have infinite number of solutions?
    A 221 Correct Answer Incorrect Answer
    B 223 Correct Answer Incorrect Answer
    C 220 Correct Answer Incorrect Answer
    D 219 Correct Answer Incorrect Answer

    Solution

    We know that, => [a1/a2  = b1/b2 = c1/c2] => 17/23 = m/299 = 102/138 => 17/23 = m/299 => if we solve we get => m = 17 × 13 = 221

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