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Write the expression in standard form.
7/ 315i
A. 7/78  35/78i
B. 7/78  35/78i
C. 7/78 + 35/78i
D. 7/78 + 35/78i
 one year ago
 one year ago
Write the expression in standard form. 7/ 315i A. 7/78  35/78i B. 7/78  35/78i C. 7/78 + 35/78i D. 7/78 + 35/78i
 one year ago
 one year ago

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rahul91Best ResponseYou've already chosen the best response.1
multiply numerator and denominator by the conjugate of denominator (3+15i). separate real and imaginary parts
 one year ago

katherinekcBest ResponseYou've already chosen the best response.0
so would the answer be C?
 one year ago

rahul91Best ResponseYou've already chosen the best response.1
u r right.. dnt confuse
 one year ago

katherinekcBest ResponseYou've already chosen the best response.0
ohh ok thankyou!! by any chance would u no the answer to this.. Find the product of the complex number and its conjugate. 1 + 3i A. 1 + 9i B. 10 C. 8 D. 1  9i i kept getting 19i .. but im not sure?
 one year ago

rahul91Best ResponseYou've already chosen the best response.1
(1+3i)x(13i) is of the form (a+b)(ab)=a^2b^2 here a=1 and b=3i so a^2  b^2=_________
 one year ago
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