Answers

2015-09-06T14:10:45+05:30
(p-1)/p-4 = (p+1)/p+2
p-1 = (p+1)/p+2 × p-4
p-1 = (p²-4p+p-4)/p+2
p-1 = (p²-3p-4)/p+2
(p-1)(p+2) = p²-3p-4
p²+2p-p-2 = p²-3p-4
p²+p-2 = p²-3p-4
4p = -2
p = -1/2 .
 
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