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Quadratic Equation and Inequalities question

2023 · 11 Apr · Shift 1 · Q47

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JEE Main
Mathematics
Quadratic Equation and Inequalities
2023 · 11 Apr · Shift 1 · Q47

Quadratic Equation and Inequalities question

2023 · 11 Apr · Shift 1 · Q47

JEE MainMathematicsQuadratic Equation and InequalitiesNumerical+4 / −1

If

a

and

b

are the roots of the 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

\underline{\hspace{2cm}}

.

Numerical answer

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