A. Zero
B. positive
C. negative
D. not determined
I: The equation of the line parallel to 2x+3y-5=0 and passing through the point (3, -4) is 2x+3y-13=0
II: The equation of the line perpendicular to 2x+3y-5=0 and passing through the point (3, -4) is 3x-2y- 17=0
If 4 < x < 8 then the value of 12x-x2-32 is
I:If α,β are the roots of the equation ax2+bx+c=0 then the quadratic equation whose roots are α+β,αβ is a2x2+a(b-c)x-bc=0
II:If α,β are the roots of 9x2+6x+1=0 then the equations with the roots 1/α,1/β is x2+6x+9=0
The maximum value of a2-abx-b2x2 is
The value of ‘a’ such that the sum of cubes of the roots of the equation x2 – ax + (2a – 3)=0 assumes the minimum value is
The extreme value of x2-5x+6 is
If x2+4y2-8x+12=0 is satisfied by real values of x and y then y must lies between
If xy+2x-3y-k is resolvable into two linear factors then k=
The number having two digits such that it is 4 times the sum and three times the product of its two digits are
If x2+ky2+x-y is resolvable into two linear factors then k=