Question: Problem 1 ( 1 5 ) Simplify: ( a ) ( 5 + j 4 ) ( 3 + j 7 ) ( 2 -

Problem 1(15)
Simplify:
(a)(5+j4)(3+j7)(2-j3)
(b)(2-j3)(3+j2)(4-j3)
(c)cos3x+jsin3xcosx+jsinx
Problem 1 ( 1 5 ) Simplify: ( a ) ( 5 + j 4 ) ( 3

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