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?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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