Question

5 5
_ - _ при p=-1,5
p 4p

Answer 1

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