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#26 Re: Help Me ! » limit » 2012-11-06 19:54:34

Thank you all. You have been most helpful. Mitu

#27 Help Me ! » finding limit » 2012-11-06 19:49:37

princess snowwhite
Replies: 17

((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.

#28 Help Me ! » Rank Of Matrix » 2012-11-06 19:45:03

princess snowwhite
Replies: 1

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.

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