If 2a + 3b + 6c = 0, then at least one root of the equation ax2 + bx + c = 0 lies in the inverval
(0, 1)
(1, 2)
(2, 3)
(1, 3)
The nth derivative of e2x + 5 is
B.
Function f(x) = is continuous function for
all real values of x
only x = 2
only real values of x, when x 2
the integer values of x