\(a, b , c\) are positive integers. the equation \(ax^2+bx+c=0\) has one root in \((-1, 0)\) and other root in \((0, 1)\). If the least value of \(a+c\) is \(b+k\), then \(k\) must be equal to
4 years, 3 months ago
At least show us what you have tried.
For a start, consider the graph of the given quadratic. Is the value of f(-1) and f(1) positive or negative?
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