Mathematics
If a is the root of the equation x2 - (a + b)x + k = 0, find the value of k.
Quadratic Equations
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Answer
Since, a is the root of the equation x2 - (a + b)x + k = 0 , x = a satisfies the given equation.
Substituting x = a in the given equation:
Hence, the value of k is ab.
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