If R be the additive group of real numbers and R+ the multiplicative group of positive real numbers show that the following mapping are isomorphism. (i) f: R→ R+ s. t. f(x) = ex, x E R. (ii) f: R+ → Rs. t. f(x) = log x, xER+.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
If R be the additive group of real numbers and R+
the multiplicative group of positive real numbers
show that the following mapping are isomorphism.
(i) f: R→ R+ s. t. f(x) = ex, x E R.
(ii) f: R+ → Rs. t. f(x) = log x, xe Rt.
Transcribed Image Text:If R be the additive group of real numbers and R+ the multiplicative group of positive real numbers show that the following mapping are isomorphism. (i) f: R→ R+ s. t. f(x) = ex, x E R. (ii) f: R+ → Rs. t. f(x) = log x, xe Rt.
Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,