Question

Evaluate (2 - 5i)(p + q)i when p = 2 and q = 5i
a. 29i
b. 291-20
C.-21i
d.29​

Answer 1

Answer: a29i

Explanation:

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Answer 2

A. 29i

Explanation:

Step 1: Plug in given variables

(2 - 5i)(2 + 5i)i

Step 2: Difference of squares (expand)

(4 - 25i²)i

Step 3: Imaginary numbers rules

(4 - 25(-1))i

Step 4: Combine like terms

(4 + 25)i

(29)i

Your final answer will be 29i