Solve
`(1) -x^2+x-2=0`
`(2) sqrt2x^2+x+sqrt2=0`
`(3) x^2+x+1/sqrt2=0`

Solve the following quadratic equations : (i) 9x^(2) - 8x+2=0 (ii) sqrt7 x^(2) +x+ sqrt7=0 (iii) 2sqrt3x^(2) -sqrt2 x + 3sqrt3 =0

x^2+sqrt2x-4=0 ; x=sqrt3,x=-2sqrt2

Solve 3x^2-2sqrt8x+2=0

x^(2)-(sqrt(2)+1)x+sqrt(2)=0

A solution of sin^-1 (1) -sin^-1 (sqrt(3)/x^2)- pi/6 =0 is (A) x=-sqrt(2) (B) x=sqrt(2) (C) x=2 (D) x= 1/sqrt(2)

Solve (i) x^(2) -(3sqrt2-2i)x-6sqrt2i=0

Find the roots of the following quadratic equations by factorisation method : (i) 2x^(2)+(5)/(3)x-2=0 (ii) (2)/(5)x^(2)-x-(3)/(5)=0 (iii) 3sqrt2x^(2)-5x-sqrt2=0 (iv) 3x^(2)+5sqrt5x-10=0 (v) 21x^(2)-2x+(1)/(21)=0

Solve x^(2)-(sqrt2+i)x+sqrt2i=0

solve for x sqrt(3)x^(2)-2sqrt(2)x-2sqrt(3)=0

(1) x^(2)-(sqrt(2)+1)x+sqrt(2)=0