`2x^2-7x+3=0`

4x^2-7x-2=0

Determine whether the value given against each of the qaudratic equation are the roots of the equation. (ii) 2x^2-7x+6=0 , x=3/2,-2 .

Find the discriminant of each of the following equations: (i) 2x^(2)-7x+6=0" "(ii)" "3x^(2)-2x+8=0 (iii) 2x^(2)-5sqrt(2)x+4=0" "(iv)" "sqrt(3)x^(2)+2sqrt(2)x-2sqrt(3)=0 (v) (x-1)(2x-1)=0" "(vi)" "1-x=2x^(2)

The sum of the coefficients in the expansion of (2+5x^2-7x^3)^2000= (A) 0 (B) 1 (C) 2 (D) none of these

If -1,2,alpha are the roots of the equation 2x^(3)+x^(2)-7x-6=0, then alpha is

A={x|3x^2-7x-6=0},B={x|6x^2-5x-6=0} . Find A nn B

Solve the equation (3x^4+x^2-2x-3)/(3x^4-x^2+2x+3)=(5x^4+2x^2-7x+3)/(5x^4-2x^2+7x-3)

Number of distinct real values of x satisfying the equation x^(3)-5x^(2)+7x-3=0 is

If alpha ,beta are the roots of the equation 9x^(2)-7x+6=0 then the equation whose roots are 3 alpha+2 , 3 beta+2 is - 1) 3x^(2)+19x-144=0 2) 3x^(2)-19x+144=0 3) 3x^(2)-19x+44=0 4) 3x^(2)-19x-44=0