The $G.M.$ of roots of the equation ${x^2} - 18x + 9 = 0$ is
The $G.M.$ of roots of the equation ${x^2} - 18x + 9 = 0$ is
- A
$3$
- B
$4$
- C
$2$
- D
$1$
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- [JEE MAIN 2022]
The roots of the equation
$x^5 - 40x^4 + px^3 + qx^2 + rx + s = 0$ are in $G.P.$ The sum of their reciprocals is $10$. Then the value of $\left| s \right|$ is
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$x^5 - 40x^4 + px^3 + qx^2 + rx + s = 0$ are in $G.P.$ The sum of their reciprocals is $10$. Then the value of $\left| s \right|$ is