Math, asked by AJAYBIRsingh, 9 months ago

Q7)If Z=5+3i,then value of zz =

Answers

Answered by saket29

0

Step-by-step explanation:

z = (5 + 3i)

z*z = (5 + 3i)(5 + 3i)

= {5*5 + 5*(3i) + (3i)*5 + (3i)(3i)}

= (25 + 15i + 15i + 9(-1))

= (25 - 9 + 30i)

= (16 + 30i)

= 2(8 + 15i)

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