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OpenStudy (anonymous):
Find the product and fill in the blanks to write in standard complex number form. (2 + 4i)(7 - 3i) =
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OpenStudy (anonymous):
@vishweshshrimali5
OpenStudy (vishweshshrimali5):
See, its just simple multiplication. : (2+4i)(7-3i) = 2*7 - 2*3i + 4i*7 - 4i*3i = 14 - 6i + 28i - 12 (i^2) = 14 + 22i - 12(-1) = 14 + 22i + 12 = 26 + 22i
OpenStudy (anonymous):
Thank you. I had 12 as one of the imaginary numbers by mistake.
OpenStudy (anonymous):
Can you help me with one more question?
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