" 12."2x^(2)-18=0

Find the roots of the equation 2x^(2)-9x-18=0

The equation 12x^(2)+7xy-12y^(2)-18x+y+6=0 represents

Find the value of x and y I. 18x^(2)-9x+1=0 II. 12y^(2)-y-1=0

If one root of x^3 - 12x^2 +kx -18=0 is thrice the sum of remaining two roots then k=

The ratio of the sum and the product of the roots of the equation 7x^(2)-12x+18=0 is ______.

If one root of x^3 - 12x^2 +kx -18=0 is thrice the sum of remaining two roots then k=

The ratio of the sum and product of the roots of the equation 7x^(2)-12x+18=0 is

Let two numbers have arithmatic mean 9and geometric mean 4 .Then these numbers are roots of the equation (a) x^(2)+18x+16=0 (b) x^(2)-18x-16=0 (c) x^(2)+18x-16=0( d) x^(2)-18x+16=0

Find the roots of the following quadratic equations (if they exist) by the method of comleting the square: (1) 2x^(2)+x-4=0 " "(2) 6x^(2)+18x+10=0 (3) x^(2)+5x+7=0" "(4)x^(2)+3sqrt(3)x-12=0

If A={x:x is a multiple of 3, x lt 12} and B={x: x in N, x^(2)-9x+18=0} then find A-B.