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JEE Advance2007
Paper-1
Question
Let $\alpha, \beta$ be the roots of the equation $x^2-p x+r=0$ and $\frac{\alpha}{2}, 2 \beta$ be the roots of the equation $x^2-q x+r=0$. Then the value of $r$ is
Select the correct option:
A
$\frac{2}{9}(p-q)(2 q-p)$
B
$\frac{2}{9}(q-p)(2 p-q)$
C
$\frac{2}{9}(q-2 p)(2 q-p)$
D
$\frac{2}{9}(2 p-q)(2 q-p)$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Advance
Mathematics
Easy
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