Arihant Expert Team Solutions for Exercise 1: Practice Exercise

If ${\left(4x+3y\right)}^2+{\left(4x-3y\right)}^2$ is equal to:

If  $\frac{{\left(x-y\right)}^3+{\left(y-z\right)}^3+{\left(z-x\right)}^3}{9\left(x-y\right)\left(y-z\right)\left(z-x\right)}$ is equal to:

If $x+y+z = 0$, then $\left(x^2+xy+y^2\right)$ is equal to:

If $\frac{{\left(x-y\right)}^3+{\left(y-z\right)}^3+{\left(z-x\right)}^3}{{\left(x^2-y^2\right)}^3+{\left(y^2-z^2\right)}^3+{\left(z^2-x^2\right)}^3}$ is equal to

If $a+b+c = 2s,$ then $\left[{\left(s-a\right)}^2+{\left(s-b\right)}^2+{\left(s-c\right)}^2+s^2\right]$ is equal to:

If $\frac{a}{3} = \frac{b}{2}$, then value of $\frac{2a+3b}{3a-2b}$ is:

If $x = \frac{4ab}{a+b}, \left(a \ne b\right),$ the value of $\frac{x+2a}{x-2a}+\frac{x+2b}{x-2b}$ is:

If $x = b+c-2a, y = c+a-2b, z = a+b-2c,$ then the value of $x^2+y^2-z^2+2xy$ is: