Mathematics
Quadratic-Equations
Easy
Question
If (x + 2)(x + 4)(x + 6)(x + 8) = 945 and x is an integer, then find x.
- -1 or -11.
- 1 or -11
- -1 or 11
- 1 or 11
The correct answer is: 1 or -11
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Rohan and Sohan were attempting to solve the quadratic equation, x2 – ax + b = 0. Rohan copied the coefficient of x wrongly and obtained the roots as 4 and 12. Sohan copied the constant term wrongly and obtained the roots as -19 and 3. Find the correct roots.
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