Six wires of current `I_(1) =1A,I_(2) =2A, I_(3) =3A, I_(4)= 1A, I_(5) =5A` and `I_(6) =4A` cut the page perpendicularly at the points `1,2,3,4,5` and `6` respectively as shown in the Find the value of the integral `ointoversetrarrB.oversetrarr
(d1)` around the closed path
