alicemukire2003 alicemukire2003

24-08-2021
Mathematics

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Evaluate (2-5i)(p+q) when p=2 and q=5i

Respuesta :

ObadaYos ObadaYos

24-08-2021

Answer:

(2-5i)(p+q)

p=2

q=5i

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

a²-b²=(a+b)(a-b)

2²-(5i)²

4-(5i)²

i²=-1

4+25=29

answer 29

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