Question

Даю 25 баллов!! помогите срочно!!! a^2+5a/a^2+10a+25 при а=3

Answer 1

${a}^{2} + \frac{5a}{ {a}^{2}} + 10a + 25 = {3}^{2} + \frac{5 \times 3}{ {3}^{2} } + 10 \times 3 + 25 = 9 + \frac{15}{9} + 55 = \frac{591}{9} = \frac{197}{3}$