Q. 155.0( 2 Votes )

Solve for x: x2 – 5ix – 6 = 0.

Answer :

We have, x2 – 5ix – 6 = 0

Here, b2-4ac = (-5i)2-4×1×-6

= 25i2+24 = -25+24 = -1

Therefore, the solutions are given by

Hence, x= 3i and x = 2i

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