The roots of the equation `2x^2-11 x+15=0` are `3,5/2` (b) `5,3/2` (c) `-3,\ -5/2` (d) None of these

The roots of the quadratic equation 3x^2 - 5x + 2 = 0 are

The roots of the equation (x-3)(x+2)=0 are A)-3,2 B)3,.-2 C)-3,-2 D) 3,2

Let a= cos((2pi)/7)+i sin((2pi)/7), A=a+a^2+a^4 and B=a^3+a^5+a^6, then A and B are the roots of the equation (A) x^2-x+2=0 (B) x^2-x-2=0 (C) x^2+x+2=0 (D) none of these

5(2)/(3)-:?(5)/(6)=2(a)2(b)3(c)4(d) None of these

The roots of the equations |{:(1+x,3,5),(2,2+x,5),(2,3,x+4):}| = 0 are

The value of k for which the system of equations x+2y=5,3x+ky+15=0 has no solution is 6(b)-6(c)3/2(d) None of these

If one root of the equation x^2+a x+3=0 is 1, then the other root is 3 (b) -3 (c) 2 (d) -2

The range of the function f(x)=|x-1|+|x-2|,-1<=x<=3, is [1,3](b)[1,5](c)[3,5](d) none of these

A fraction equivalent to 3/5 is (3+2)/(5+2) (b) (3-2)/(5-2) (c) (3\ x\ 2)/(5\ x\ 2) (d) None of these