[" 1.Sellve: "],[" (i) "2-(3)/(5)]

(3+5i)/(2-3i)

Evaluate : (i) (2x - (3)/(5) ) (2x + (3)/(5) )

Evaluate (4+5i)(2-3i)

Prove that : [((3+2i)/(2-5i))+((3-2i)/(2+5i))] is rational .

(-2-i5)(3-i6)

Multiply: (2+5i)(4-3i)

Prove that: (i) [((3+2i)/(2-5i))+((3-2i)/(2+5i))] is rational (ii) [((2-3i)/(3-4i))((2+3i)/(3+4i))] is real.

det[[2i,-3ii^(3), -2i^(5)]]

(3+5i)(2+6i)