6x^(2)-sqrt(2)x-2=0

ln Delta ABC cosA= -(2)/(3) the equation with roots sin A ,tan A is 1) 6x^(2)+sqrt(5)x-5=0 2) 6x^(2)-sqrt(5)x+5=0 3) 6x^(2)-sqrt(5)x-5=0 4) 6x^(2)+sqrt(5)x+5=0

For the equation 2x^(2)-6sqrt(2)x-1=0

For the equation 2x^(2)-6sqrt(2)x-1=0

(6) sqrt(5)x^(2)-2sqrt(2)x-2sqrt(5)=0

Solve by factorization: x^(2)-4sqrt(2)x+6=0

Test which of the following is solutions of 6x^2-sqrt2x-2=0 i) -sqrt2/3 ,ii) -sqrt2 ,iii) 1/sqrt2 ,iv) sqrt(2/3)

Find the roots of the following equations by factorisation. (iv) 3x^(2)-2sqrt(6x)+2=0

x^(2)-4sqrt(2x)+6=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