The complex number 3+4i is rotated about origin by an angle of 45 degrees and then strecthed 2 times - Maths - Matrices

Question

The complex number 3+4i is rotated about origin by an angle of 45
degrees and then strecthed 2 times The complex number corresponding
to new position is

Rohit Kumar · Answer

Here is the solution
<img src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5c403c12e882d%20jpeg">

The complex number 3+4i is rotated about origin by an angle of 45 degrees and then strecthed 2 times. The complex number corresponding to new position is