1.

Find the square of (a+40i)+sqrt(9-40sqrt(-i))

Answer»

SOLUTION :`=(a+40i+sqrt(9-40i))^2`
`=a^2+1600i^2+9-40i+80"AI " +80isqrt(9-40i)+2asqrt(9-40i)`
`=a^2-1600+9-40i+80 "ai" +2sqrt(9-40i)(a+40i)`
`=a^2-1591-40i+80"ai" +2sqrt(9-40i)(a+40i)`


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