Respuesta :
Answer:
Step-by-step explanation:
p-q= 5-2i-(-3+7i) = 5-2i+3-7i = 8-9i
The expression in the form a+bi of p-q according to the question is; 8 -9i
Since, p=5-2i and q=-3+7i.
Therefore, p-q can be evaluated as follows;
- 5 - 2i -(-3+7i)
- = 5+3 -2i -7i
- = 8 - 9i
Therefore, a = 8 and b = -9
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