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Question
If α and β are the zeros of 2x2 + 5x – 9 then the value of αβ is ______.
Options
`(-5)/2`
`5/2`
`(-9)/2`
`9/2`
MCQ
Fill in the Blanks
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Solution
If α and β are the zeros of 2x2 + 5x – 9 then the value of αβ is `underlinebb((-9)/2)`.
Explanation:
For ax2 + bx + c, we have `αβ = c/a`.
For 2x2 + 5x – 9, we have `αβ = (-9)/2`.
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