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Thank you all. You have been most helpful. Mitu
((1+cx)/(1-cx))^(1/x) tends to 4 as x tends to infinity.
find the limit of ((1+2cx)/(1-2cx))^(1/x) as x tends to infinity.
I HAVE TWO QUESTIONS-
1> If A be a non-zero column matrix and B be a non-zero row matrix, then
show that the rank of AB is 1.
2> If A and B be square matrices both of order n and of ranks p and q respectively, then
show that the rank of (AB) ≥ p + q - n.