JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 19
question_answer
Let a and \[\beta (\alpha >3)\] be the roots of \[2{{x}^{2}}-ax+4=0\]and \[\sum\limits_{n=1}^{\infty }{{{\left( \frac{1}{\alpha }+\beta \right)}^{n}}=3.}\]Then the value of a is _______,