Math Problem Statement

Buktikan pernyataan berikut dengan pembuktian kontraposisi

"Bila n bilangan bulat dan 7n +9 bilangan genap, maka n bilangan ganjil"

Solution

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Math Problem Analysis

Mathematical Concepts

Number Theory
Logic
Contrapositive Proof
Even and Odd Numbers

Formulas

n = 2k for an even number n
General form of an odd number: 2m + 1
7n + 9 = 14k + 9 (substitution for n = 2k)

Theorems

Contrapositive Proof Theorem

Suitable Grade Level

Grades 10-12