How do I solve (7-6i)(-8+3i)?
2 answers:
I = {2.666666667, 1.166666667
Solution step by step
(7-6i)(-8+3i)
=7×(-8)+7×3i-6i×(-8)-6i×3i
=-56+21i+48i+18i^2
=-56+69i-18×(-1)
=-56+69i+18
=-38+39i
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201.143 (approx.) cm²
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= 22/7 x (8)^2
=22/7 x 64
= 1408/7
= 201.142857143
= 201.143 cm^2 (approx.)
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