Question

5 5
_ - _ при p=-1,5
p 4p

Answer 1

$\frac{5}{p} - \frac{5}{4p} = \frac{20}{4p} - \frac{5}{4p} = \frac{15}{4p} \\ \\ \frac{15}{4p} = \frac{15}{4 \times ( - 1.5)} = - \frac{15}{6} = - 2.5$