Quadratic Equation_JEE-Main-2020_02-09-2020_S1 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE Main 2020

02-09-2020 S1

Question

Let $\alpha$ and $\beta$ be the roots of the equation, $5 x^2+6 x- 2=0$. If $S_n=\alpha^n+\beta^n, n=1,2,3, \ldots$, then :

Select the correct option:

$5 \mathrm{~S}_6+6 \mathrm{~S}_5=2 \mathrm{~S}_4$

$6 \mathrm{~S}_6+5 \mathrm{~S}_5+2 \mathrm{~S}_4=0$

$6 \mathrm{~S}_6+5 \mathrm{~S}_5=2 \mathrm{~S}_4$

$5 \mathrm{~S}_6+6 \mathrm{~S}_5+2 \mathrm{~S}_4=0$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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