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Mathematics 10 Online
OpenStudy (anonymous):

solve (4 + 3i)2

OpenStudy (aravindg):

Distributive property !

OpenStudy (aravindg):

a(b+c)=ab+ac

OpenStudy (anonymous):

16+9i

OpenStudy (anonymous):

7+24i

sam (.sam.):

Erm \[(4 + 3i)^2?\]

OpenStudy (anonymous):

is that to the second power, or times two?

OpenStudy (anonymous):

second power

OpenStudy (anonymous):

16+24i-9

OpenStudy (anonymous):

kinda lost

OpenStudy (aravindg):

Multiply it like (4 + 3i) X (4 + 3i)

OpenStudy (aravindg):

\[4 \times 4+ 4 \times 3i+ 3i \times 4+3i \times 3i=......\]

OpenStudy (aravindg):

Can you do it now ?

OpenStudy (anonymous):

7+24i

OpenStudy (anonymous):

8+6i

OpenStudy (anonymous):

not a answer

OpenStudy (aravindg):

yep :)

OpenStudy (anonymous):

8+6i IS your answer

OpenStudy (aravindg):

7+24i is the right answer

OpenStudy (anonymous):

How do you get 7+24i? @AravindG

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