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  3. find the modulus of: (a) (3 – j4) (-5 + j12) (b)

Find the modulus of: (a) (3 – j4) (-5 + j12) (b) (2+?)/(4?+(1+?)^2) Express (6 – ?8)^?3 in...

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Question

Advance Math

Find the modulus of:

(a) (3 – j4) (-5 + j12)

(b) (2+?)/(4?+(1+?)^2)

Express (6 – ?8)^?3 in the standard form ? + ??. Find itsconjugate.

If ? + ?? = (?+?)/ (???) ,where a, b and c are real, prove that?^2 + ?^2 = 1 and ?/?= (2?)/ (?^2?1)

Please show all your steps so I can understand

Thank you

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