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I've another problem.... as you can see I'm new to all these... pls forgive!

senario:

point A to B... across A and B there're 2 resistors R(1) and R(2) connected in parallel and R(3) in series to (R(1) and R(2))....

Questions:

1) assume R(1)=5ohm, R(3)=2ohm and find R(2) that will make R(AB)=R(3)...

I thought there's a mistake in the question given that R(AB)= cannot be 2ohm....? correctly me if I', wrong....

2) assume R(2)=4ohm, R(3)=2ohm and find the value of R(1) that will make R(AB)=R(1)...

pls advise how do I go about it.

thanks heaps!!

Cseet