" poluct of two roots of the equotion "4x

Given that the sum of two roots of x^4-2x^3+4x^2+6x-21=0 is zero , find the roots of the equation .

If two sides of a triangle are the roots of theequation 4x^(2)-(2sqrt(6))x+1=0 and the included angle is 60^(@), then the third side is

If two sides of a triangle are the roots of the equation 4x^2-(2sqrt6)x+1=0 and the included angle is 60^@ , then the third side is

The abscissa of two A and B are the roots of the equation x ^(2) - 4x - 6=0 and their ordinates are the roots of x ^(2) + 5x - 4=0. If r is the radius of circle with AB as diameter, then r is equal to

The abscissae of two points P,Q are the roots of the equation 2x^2+4x-7=0 and their ordinates are the roots of the equation 3x^2-12x-1=0 . Then the centre of the circle with PQ as a diameter is

If the product of two of the roots of x^4 - 5x^3 + 5x^2 + 5x -6=0 is 2 then the roots are

The number of roots of the equation sqrt(x-2)(x^2-4x+3)=0 is (A) Three (B) Four (C) One (D) Two

The number of roots of the equation sqrt(x-2)(x^(2)-4x+3)=0 is (A) Three (B) Four (C) One (D) Two