Question

efetue as multiplicações e ,se possível, simplifique o produto:

a] 1\a x a2\2

b]a+a2\6 x 18\a+1

c] x+3\5 x 10\a2-9

d] x+2xy\x2-16 x x2+4x\2y+1

Answer 1

Vamos lá:

a) (1/a).(a^2/2)
(1.a^2/2a)
a^2/2a
a.a/2a
a/2

b) [(a + a^2)/6].[18/(a + 1)]
[18(a + a^2)]/[6(a + 1)]
[3(a + a^2)]/(a + 1)
[3a.(1 + a)]/(a + 1)
(1 + a) = (a + 1)
[3a.(a + 1)]/(a + 1)
3a

c) [(x + 3)/5].[10/(x^2 - 9)]
[10.(x + 3)]/[5(x^2 - 9)]
[2(x + 3)]/(x^2 - 9)
(x^2 - 9) = (x + 3)(x - 3)
[2(x + 3)]/[(x + 3).(x - 3)]
2/(x - 3)

d) [(x + 2xy)/(x^2 - 16)].[(x^2 + 4x)/(2y + 1)]
[(x + 2xy).(x^2 + 4x)]/[(x^2 - 16).(2y + 1)]
(x^2 + 4x) = x(x + 4)
(x^2 - 16) = (x + 4)(x - 4)
{(x + 2xy).[x(x + 4)]}/[(x + 4)(x - 4).(2y + 1)]
[x(x + 2xy)]/[(x - 4)(2y + 1)]

Espero ter ajudado

Answer 2

Resposta:

Explicação passo a passo:

oioioioioioioioioioioioioioioioioioioi ffede3re43r34rt$\frac{x}{y} \int\limits^a_b {x} \, dx \lim_{n \to \infty} a_n \lim_{n \to \infty} a_n \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \lim_{n \to \infty} a_n \int\limits^a_b {x} \, dx \int\limits^a_b {x} \, dx$oioioioi