Question

$X=y/bc-√qr$

Find the value of r when b=2,c=1,q=3,x=2 and y= 4

Answer 1

$$\sqrt{qr}=\dfrac{y}{bc}-x$$

$$r=\dfrac{(\dfrac{y}{bc}-x)^2}{q}$$

Substitute

$$r=\dfrac{(\dfrac{4}{2(1)}-2)^2}{3}$$

$$r=0$$