Pls solve this giving all equations - Physics - Electrostatic Potential And Capacitance

Question

Pls solve this giving all equations

Rizwan Ansari · Accepted Answer

Dear student
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5f41e52f8ad68%20jpg"
style="width: 677px; height: 1023px;">

Option d
Regards