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OpenStudy (countrygirl1431):
Perform the indicated operation. (-3 + 5i) - (7 + 9i) -10 + 4i 4 - 4i -10 - 4i
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OpenStudy (dayakar):
first open the brackets
OpenStudy (countrygirl1431):
ok
OpenStudy (dayakar):
what do u get
OpenStudy (countrygirl1431):
-3+5i-7+9i
OpenStudy (dayakar):
no - (7+9i) = -7 -9i [ we are multiplying each term with i bracket with - ]
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OpenStudy (dayakar):
is it clear
OpenStudy (countrygirl1431):
so far
OpenStudy (dayakar):
n
OpenStudy (dayakar):
now rewrite the expression
OpenStudy (dayakar):
r u doing
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OpenStudy (countrygirl1431):
i think its -10-4i
OpenStudy (dayakar):
excellent
OpenStudy (countrygirl1431):
thank you
OpenStudy (dayakar):
:)
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