" ii) "5x^(2)-4x+1=0

Without solving, find the nature of the roots of the following equations: (i) 3x^(2)-7x+5=0 . (ii) 4x^(2)+4x+1=0 . (iii) 3x^(2)+7x+2=0 . (iv) x^(2)+px-q^(2)=0 .

Examine the nature of the roots of the equations (i) 2x^(2)+2x+3=0 (ii) 2x^(2)-7x+3=0 (iii) x^(2)_5x-2=0 (iv) 4x^(2)-4x+1=0

Find the equation whose roots are 2 times the roots of x^(5)+2x^(2)-4x+1=0

If the largest real root of the equation x^(4)-4x^(3)+5x^(2)-4x+1=0 can be expressed as (a+sqrt(b))/(c) (where b does not contains any perfect square),then find the value of (a+b+c)

Disuss that nature of roots of (i) -x^(2)+3x+1=0 (ii) 4x^(2)=0 (iii) 9x^(2)+5x=0

Find the values of k for which roots of the following equations are real and equal: (i) 12x^(2)+4kx+3=0 (ii) kx^(2)-5x+k=0 (iii) x^(2)+k(4x+k-1)+2=0 (iv) x^(2)-2(5+2k)x+3(7+10k)=0 (v) 5x^(2)-4x+2+k(4x^(2)-2x-1)=0 (vi) (k+1)x^(2)-2(k-1)x+1=0 (vii) x^(2)-(3k-1)x+2k^(2)+2k-11=0 (viii) 2(k-12)x^(2)+2(k-12)x+2=0

Find the roots of the following quadratic equations, if they exist, using the quadratic formula: (1) 3x^(2) -5x+2=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

Determine the nature of the roots of the following quadratic equations: 2x^(2)+x-1=0x^(2)-4x+4=0x^(2)+x+1=04x^(2)-4x+1=02x^(2)+5x+5=0