" (iii) "5x^(2)-2x-10=0

Solve each of the following equations for x and give, in each case, your answer correct to 2 decimal places : (i) 2x^(2)-10x+5=0 (ii) 4x+(6)/(x)+13=0 (iii) x^(2)-5x-10=0

Find whether the following equations have real roots. If real roots exist, find them 5x^(2)-2x-10=0

Find whether the following equations have real roots. If real roots exist, find them 5x^(2)-2x-10=0

Find the roots of the following quadratic equations by factorisation method : (i) 2x^(2)+(5)/(3)x-2=0 (ii) (2)/(5)x^(2)-x-(3)/(5)=0 (iii) 3sqrt2x^(2)-5x-sqrt2=0 (iv) 3x^(2)+5sqrt5x-10=0 (v) 21x^(2)-2x+(1)/(21)=0

The biquadratic equation, two of whose roots are 1+i , 1-sqrt(2) is A) x^(4)-4x^(3)+5x^(2)-2x-2=0 B) x^(4)-4x^(3)-5x^(2)+2x+2=0 C) x^(4)+4x^(3)-5x^(2)+2x-2=0 D) x^(4)+4x^(3)+5x^(2)-2x+2=0

Angle of intersection of x^(2)+y^(2)-6x-2y-10=0 and y=2x-5

x ^ 3 - 5x ^ 2 + 2x - 10 = 0 For what real value of x is the equation above true ?

Find the roots of the following quadratic equations (if they exist) by the method of comleting the square: (1) 2x^(2)+x-4=0 " "(2) 6x^(2)+18x+10=0 (3) x^(2)+5x+7=0" "(4)x^(2)+3sqrt(3)x-12=0

The power ofthe centre of x^(2)+y^(2)-8x+4y-10=0 with respect to 5x^(2)+5y^(2)+4x+2y-1=0 is