If $x^2+2kx+4=0x^2+2kx+4=0$ has a root x = 2, then ‘the value of k is

The roots of the quadratic equation $(3x-2)(3x-2)$ $(2x+1)(2x+1)$ = 0 are

The roots of the quadratic equation $(\sqrt{3}x-\sqrt{2})(\backslash sqrt\{3\}x-\backslash sqrt\{2\})$ $(\sqrt{3}x-\sqrt{2})(\backslash sqrt\{3\}x-\backslash sqrt\{2\})$ = 0 are

If $\frac{1}{2}\backslash frac\{1\}\{2\}$ is a root of the equation $x^2+kx-\frac{5}{4}=0x^2+kx-\backslash frac\{5\}\{4\}=0$ then the value of k is

The roots of the quadratic equation $\frac{x}{a}=\frac{a}{x}\backslash frac\{x\}\{a\}=\backslash frac\{a\}\{x\}$ are

The roots of the quadratic equation $\frac{x^2}{a^2-b^2}=\frac{a+b}{a-b}\backslash frac\{x^2\}\{a^2-b^2\}=\backslash frac\{a+b\}\{a-b\}$ are

The roots of the quadratic equation $\frac{11}{3+x}\backslash frac\{11\}\{3+x\}$ = 4(3 – x) are

The roots of the quadratic equation $\frac{9}{x^2-27}=\frac{25}{x^2-11}\backslash frac\{9\}\{x^2-27\}=\backslash frac\{25\}\{x^2-11\}$ are

The roots of the quadratic equation $x^2+7x=0x^2+7x=0$ are

If $(x+4)(x+4)$ $(x-4)(x-4)$ = 9, then the values of x are