If a and b are the roots of equation | Quadratic Equation

JEE MAIN 2023

11-04-2023 S1

Question

If $a$ and $b$ are the roots of equation $x^2-7 x-1=0$, then the value of $\frac{a^{21}+b^{21}+a^{17}+b^{17}}{a^{19}+b^{19}}$ is equal to

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Question Tags

JEE Main

Mathematics

Hard

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