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We know that the product of the roots of a quadratic equation ax
2
+bx+c=0 is
In the given equation, x
2
+mx+24=0, the product of the roots = 24.
The question states that one of the roots of this equation = 1.5
If x1 and x2 are the roots of the given quadratic equation and let x1 = 1.5
Therefore, x2 = = 16.
In the given equation, m is the co-efficient of the x term.
We know that the sum of the roots of the quadratic equation is = -m
Sum of the roots = 16 + 1.5 = 17 = -17.5.
Therefore, the value of m = -17.5
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