Question

what is this derivation?​

Answer 1

Answer:

Explanation:

derivation(Noun) A leading or drawing off of water from a stream or source. derivation(Noun) The act of receiving anything from a source; the act of procuring an effect from a cause, means, or condition, as profits from capital, conclusions or opinions from evidence. mark brillent

Answer 2

This equation is to find the magnetic field at

a point that is near the centre of an infinitely long current carrying conductor.