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OpenStudy (anonymous):
(-1+5i)to the seventh power in rectangular form.
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OpenStudy (anonymous):
write it as r[cost + isint] = re^(it) r = |z| and t = arctan(-5) z^7 = r^7 x e^(7it) = r^7 x (cos7t + isin7t]
OpenStudy (anonymous):
z = 26^(7/2) x [-7 + 35i]
OpenStudy (anonymous):
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