" 3."4x^(2)+16x+15=0

(i) 7x^(2) + 16x - 15 = 0 (ii) 5y^(2)+ 8y - 21 = 0

If cot alpha equals the integral solution of inequality 4x ^(2)-16x+15 le 0 and sin beta equals to the slope of the bisector of the first quadrant, then sin (alpha+ beta) sin (alpha - beta) is equal to:

If x^(4) -16x^(3) + 86x^(2) - 17x + 105 = 0 then s_(1), s_(2) , s_(3), s_(4) are

The coentre of the ellipse 4x ^(2) + 9y ^(2) -16x-54y+61=0 is

The centre of the ellipse 4x ^(2) + 9y ^(2) -16x-54y+61=0 is

Solve the equation : 3x^(4)-16x^(3)+26x^(2)-16x+3=0

Divide the polynomial 16x^(2) + 24x + 15 by (4x + 3) and write the quotient and the remainder.