If $\alpha, \beta$ are the roots of the equation, $x^2-x-1=0$ and $S_n=2023 \alpha^n+2024 \beta^n$, then
$2 \mathrm{~S}_{12}=\mathrm{S}_{11}+\mathrm{S}_{10}$
$\mathrm{S}_{12}=\mathrm{S}_{11}+\mathrm{S}_{10}$
$2 \mathrm{~S}_{11}=\mathrm{S}_{12}+\mathrm{S}_{10}$
$\mathrm{S}_{11}=\mathrm{S}_{10}+\mathrm{S}_{12}$
The number of distinct real roots of the equation $x ^{7}-7 x -2=0$ is
Leela and Madan pooled their music $CD's$ and sold them. They got as many rupees for each $CD$ as the total number of $CD's$ they sold. They share the money as follows: Leela first takes $10$ rupees, then Madan takes $10$ rupees and they continue taking $10$ rupees alternately till Madan is left out with less than $10$ rupees to take. Find the amount that is left out for Madan at the end, with justification.
If $\alpha ,\beta ,\gamma$ are the roots of $x^3 - x - 2 = 0$, then the value of $\alpha^5 + \beta^5 + \gamma^5$ is-
The two roots of an equation ${x^3} - 9{x^2} + 14x + 24 = 0$ are in the ratio $3 : 2$. The roots will be
The equation${e^x} - x - 1 = 0$ has