1.If 2a+3b+6c=02a + 3b + 6c = 02a+3b+6c=0 (a,b,c∈Ra, b, c \in \mathbb{R}a,b,c∈R), then the quadratic equation ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0 hasa.at least one root in [0,1][0, 1][0,1]b.at least one root in [2,3][2, 3][2,3]c.at least one root in [4,5][4, 5][4,5]d.none of theseLogin to continueOnly logged in users canattempt or see the solution.