Question

Derivatives of unit vectors in spherical coordinates

Answer 1

ds=drr^+rdphiphi^+rsinphidthetatheta^

ds is the line element and this is the derivate of it. Since there is no option to type in mathjax this is a rough ans on what it looks.

The bold letters mean the unit vectors in their respective directions.

Answer 2

Step-by-step explanation:

Schools are considered to be second home as we spend most time of our day in school. In school, we acquire all the values that are needed in life to move ahead. The future school is expected to be fully equipped with technology. In future schools, teachers and students will be having laptops for teaching.