If k is not equal to 0,1,or -1, is 1/k>0?
1)1/k-1>0
2) 1/k+1>0
The official answer is A, why isn't it D? Thanks
1)1/k-1>0
2) 1/k+1>0
The official answer is A, why isn't it D? Thanks
If 1/(k+1) > 0, k+1 > 0 i.e k > -1
We are not to assume that k is an integer, so k could be any real number
between - 1 and 0, or any real number greater than 0 other than 1
