" (iv) "x^(2)-3x-10=0quad " (TB,Ex.4.2,Q.1.(i) "

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 .

Ex.-2 Q.01 to 10

Solve : 3x^2+(i-2)x-4i+10=0

Solve : (i) x^(4)-2x^(2)-3=0 (ii) x^(4)-10x^(2)+9=0

If A={x:x in Q and x^(2)+3x-10=0}B={x:x in I and -5<=x<(17)/(8)} then show that A sube B

Find the zero of the polynomial : (i) p(x)=x-3 " " (ii) q(x)=3x-4 " " (iii) p(x)=4x-7 " " (iv) q(x)=px+q, p ne 0 (v)p(x)=4x " " (vi) p(x)=(3)/(2)x-1

Find the zero of the polynomial : (i) p(x)=x-3 " " (ii) q(x)=3x-4 " " (iii) p(x)=4x-7 " " (iv) q(x)=px+q, p ne 0 (v)p(x)=4x " " (vi) p(x)=(3)/(2)x-1

Solve the following Q.E.: (i) 3x^(2)-4x+(20)/(3)=0 (ii) 27x^(2)-10x+1=0