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Homework Statement Assuming that an infinitely long line charge of 50(pC/m) parallel to the y-axis at x=2(m) and z=1(m), determine the electric intensity at the point (-1, 5, -3). The answer given : -0.18(ax0.6 + az0.8)(V/m)Homework Equations Electric field intensity due to an infinite...

just found out that I'm not suppose to use Lhopital rule to solve it.. any other methods??

any methods or working will do.. and I've totally no idea how to do it.. Plus my assignment is due this Wed..

Evaluate the following limits a) lim x->1 ((x^(1/3) -1) / (x^(1/2) - 1)) b) lim x->0 (( l 2x-1 l - l 2x+1 l ) /x) (FYI : there's modulus at 2x-1 and 2x+1 ) c) lim x->0 ((sin(a+2x)-2sin(a+x)+sin a) / x^2 ) Thankz Please explain in details