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Which has the same value as (4 + 3i)²
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\[(4 + 3i)²\] \[(4 + 3i)(4 + 3i)\]
the one that looks like \[(4+3i)(4+3i)=(16-9)+(2\times 4\times 3)i\]
the possibe answers are A)7 B)7 + 24i C)16 + 9i D)25
\[(4 + 3i)²\] \[(4 + 3i)(4 + 3i)\] \[16 + 12i + 12i + 9i^2\] \[16 + 24i + 9i^2\] CONTINUE *hint* \[i^2 = -1\]
@Indiadabest ?
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A) 7 B) 7 + 24i C) 16 + 9i D) 25
between those answer
\[\bf (4+3i)(4+3i)=16+24i+9i^2=16+24i+9(\sqrt{-1})^2=..?\] @Indiadabest
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