0 0 votes If the roots, $x_{1}$ and $x_{2}$ of the quadratic equation $x^{2}-2x+c=0$ also satisfy the equation $7x_{2}-4x_{1}=47$, then which of the following is true? $c=-15$ $x_{1}=-5, x_{2}=3$ $x_{1}=4.5, x_{2}=-2.5$ None of these Quantitative Aptitude cat1997 quantitative-aptitude + – Misbah Ghaya 8.6k points 1.5k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.
0 0 votes c = -15 (Option A) would be true. Value of x2 will be 5 and value of x1 will be -3 mudit23june answered Jun 28, 2017 mudit23june 348 points comment Share Follow 0 reply Please log in or register to add a comment.