9. (a) Show that if a > 0 and a + 1, the function f(x) = a® is a 1-1 function. (b) For a > 0 and a + 1, define f(x) = loga x to be the inverse of a". Show that log, x is a continuous function.
9. (a) Show that if a > 0 and a + 1, the function f(x) = a® is a 1-1 function. (b) For a > 0 and a + 1, define f(x) = loga x to be the inverse of a". Show that log, x is a continuous function.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Answer the following showing your proofs

Transcribed Image Text:9. (a) Show that if a > 0 and a + 1, the function f(x) = a" is a 1-1 function.
(b) For a > 0 and a + 1, define f(x) = log, x to be the inverse of a".
Show that log, x is a continuous function.
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