Show that (i19+(1/i)25) = -4
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19i-i25=-4. 1/i=i/i^2=-i
tony19:
19-25= -6 and not -4
19i-25i= -6i and not -4i
the answer is -6i only
U have writen -4
The one who has asked question has written -4
the question isonlywrong
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