Question

X²-4x/x² 1 : x²-16/2x²+2

Answer 1

x²-4x/x²+1. 2x²+2/x²-16

(x²-4x).(2x²+2)/(x²+1).(x²-16)

2x⁴+2x²-8x³-8x/x⁴-16x²+x²-16

2x⁴+2x²-8x³-8x/x⁴-15x²-16

mmc(y²,xy,x²)= x.x.y.y= x².y² x².1-2.xy+1.y² x²-2xy+y²

x²-2xy+y²