E1 : a + b + c = 0, if 1 is a root of ax2 + bx + c = 0, E2 : b2 - a2 = 2ac, if are the roots of ax2 + bx + c = 0 Which of the following is true ?
E1 is true, E2 is true
E1 is true, E2 is false
E1 is false, E2 is true
E1 is false, E2 is false
In a , is equal to
a
b
c
a + b + c
A.
a
Two sides of a triangle are given by the roots of the equation x2 - 5x + 6 = 0 and the angle between the sides is .Then, the perimeter of