Plz help me thank you

Mathematics

2 answers:

Jet001 [13]3 years ago

6 0

Answer:

d^2 - 3d + (9/4) = (d + 3/2)^2

Step-by-step explanation:

bixtya [17]3 years ago

6 0

Answer:

(d + 3/2)^2

Step-by-step explanation:

d^2 - 3d + (9/4) = (d + 3/2)^2

You might be interested in

Are fractions reversible? why or why not

olga2289 [7]

Answer:

shwgwiFonts for Android and iPhone - www.fontskeyboard.com/share-nowbFonts for Android and iPhone - www.fontskeyboard.com/share-nowiFonts for Android and iPhone - www.fontskeyboard.com/share-now❣︎☹︎❥︎

3 0

3 years ago

Read 2 more answers

For z = 2cis 60°, find z4 in rectangular form.

a_sh-v [17]

By DeMoivre's theorem,

$z=2\mathrm{cis}60^\circ\implies z^4=2^4\mathrm{cis}(4\times60)^\circ=16\mathrm{cis}\,240^\circ$
$z^4=16(\cos240^\circ+i\sin240^\circ)$
$z^4=16\left(-\dfrac12-i\dfrac{\sqrt3}2\right)$
$z^4=-8-i8\sqrt3$