Question

if
$x - 1 \div x = 4$
then evaluate
$x { }^{2} \times 1 \div x { }^{2}$
and
$x { {}^{2} }^{2} \times 1 \div x { { }^{2} }^{2}$
​

Answer 1

Hey mate,

I hope you are asking for the result of:

x²+1÷x²

x⁴+1÷x⁴