TS EAMCET · Maths · Complex Number
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Let x+iy=-3+4i8+6i, x,y∈R ⇒x+iy2=-3+4i8+6i ⇒x2-y2+i2xy=-48+14i On comparing rea and imaginary part, we get x2-y2=-48 ....i xy=7 ....ii ⇒x2y2=49 ⇒x2x2+48=49 ⇒x4+48x2-49=0 ⇒x4+49x2-x2-49=0…
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