Q. 15.0( 6 Votes )

# Express each of t

Answer :

(i) Let   (ii) Let z = (2 + 3i)2 = (2 + 3i)(2 + 3i)

= 4 + 6i + 6i + 9i2

= 4 + 12i + 9i2

= 4 + 12i - 9

= - 5 + 12i (iii) Let  =    (iv) Let     (v) Let     (vi) Let        Rate this question :

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