`3x^(2)-5x-12=0`

Solve the equation 2x^(2)+ 5x-12=0

Solve the equation 2x^(2)+5x-12=0

Solve: ,x^(2)-1,x^(2)+2x+1,2x^(2)+3x+12x^(2)+x-1,2x^(2)+5x-3,2x^(2)+4x-36x^(2)-x-2,6x^(2)-7x+2,12x^(2)-5x-2]|=0

Which of the following equations has 2 as a root? (a) x^(2)-4x+5=0 , (b) x^(2)+3x-12=0 (c) 2x^(2)-7x+6=0 , (d) 3x^(2)-6x-2=0

Show that x^(5)-5x^(3)+5x^(2)-1=0 has three equal roots and find this root.On and the repeated roots of x^(5)-3x^(4)-5x^(3)+27x^(2)-32x+12=0

If X=(x:x^(2)-12x+20=0) and Y=(x:x^(2)+5x-14=0) , then X-Y=

Solve |{:(x^(2)-1,,x^(2)+2x+1,,2x^(2)+3x+1),(2x^(2)+x-1,,2x^(2)+5x-3,,4x^(2)+4x-3),(6x^(2)-x-2,,6x^(2)-7x+2,,12x^(2)-5x-2):}| =0

Find the nature of the roots of the following quadratic equations: (i) 2x^(2)-8x+5=0" "(ii)" "3x^(2)-2sqrt(6)x+2=0 (iii) 5x^(2)-4x+1=0" "(iv)" "5x(x-2)+6=0 (v) 12x^(2)-4sqrt(15)x+5=0" "(vi)" "x^(2)-x+2=0

lim_(x rarr0)(3x^(2)+5x-1)/(x^(2)+2x+6)