" 30."(2)/(x^(2))-(5)/(x)+2=0

(2)/(x^(2))-(5)/(x)+2=0x!=0

Solve the following equations by Sridharacharya's formula : (i) x^(2)+x+4=0 (ii) 2x^(2)-2x+3=0 (iii) sqrt(2)x^(2)+x+sqrt(2)=0 (iv) x^(2)-x+2=0 (v) 25x^(2)-30x+11=0 (vi) x^(2)+3x+5=0 (vii) x^(2)-14x+58=0 (viii) x^(2)+13ix -42=0 (ix) x^(2)-11ix-30=0

The number of rational roots of (2x +3)(2x +5) (x-1) (X-2)=30 is

Let (x+5)^(30)+(x-5)^(30) = a_(0)+a_(1)x+a_(2)x^(2)+...+a_(30)x^(30) for all x in R then (a_(2))/(a_(0))=

Solve the inequation log((x^(2)-12x+30)/(10))(log_(2)((2x)/(5)))>0

Solve for x, where 0 le x le 90^(@) sin^(2) x + cos^(2) 30^(@) = (5)/(4)