Find a positive integer n such that 2n is a square and 3n is a cube.
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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Find a positive integer n such that 2n is a square and 3n is a cube.
Expert Solution
Step 1
Sol:-
Let 2n be equal to x², where x is a positive integer. Then, n can be written as n = x²/2.
Since 3n is a cube, we can write 3n as y³, where y is a positive integer.
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