Would like to add identities of Complex numbers

[ROHAN842]

Is your feature request related to a problem? Please describe.

• As till now the given page doesn't consists of identities of Complex number, when user clicks on then just a blank page is opened and nothing happens.

https://user-images.githubusercontent.com/61961107/137778408-cd5cdee2-584c-466c-b485-68faa56e24d1.mp4

Describe the solution you'd like

• I would like to add some identities related to complex numbers under this page.

Can I work on this issue

Kindly assign this issue to me under Hactoberfest2021

[github-actions[bot]]

Hi 😄, @ROHAN842 Thanks for creating issue at makesmatheasy, do read and follow the Code of Conduct and the Contribution Guidelines while contributing.

[ROHAN842]

Hey @sairish2001 kindly assign this issue to me under Hactoberfest2021 also please add Hactoberfest labels to it.