three resistors of 2ohm, 3ohm and 4 ohm are connected in (a) series (b) parallel. find the equivalent resistance in each case

Answer 1

SERIES: 2+3+4 OHM
PARALLEL: (1/r)=1/2 + 1/3 + 1/4
R=2*3*4/(3*4+4*2+3*2)/(2*3*4)
=26/24 OHMS

Answer 2

all in parallel