Question

a) (5x + 3y).(2x + 3y ) =

b) (-6x - 4y ).(1x - 2y ) =

c) (8a + 2b ).( 3a + 5b ) =

d) (2ab-3b).( 4a + 2b ) =

e) (4gj-2xy).( 3g - 3y ) =

ME AJUDEM PFVRRRRRRRRRRRRRRRR​

Answer 1

Resposta:

\begin{gathered}d = \sqrt{(xb - xa)^{2} + (yb - ya)^{2}} \\\\d= \sqrt{(4 - (-2))^{2} + (-4 - 4)^{2}} \\\\d= \sqrt{6^{2} + (-8)^{2} \\\\\\\\\end{gathered}

\begin{gathered}d=\sqrt{36 + 64 } \\d=\sqrt{100} \\d=10u.c\end{gathered}

d=

36+64

d=

100

d=10u.c