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प्रश्न
By taking three different values of n verify the truth of the following statement:
If n is odd, then n3 is also odd.
योग
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उत्तर
Let the three odd natural numbers be 3, 9 and 27.
Cubes of these numbers are:
\[3^3 = 27, 9^3 = 729, {27}^3 = 19683\]
By divisibility test, it is evident that
\[27, 729 \text{ and } 19683\] are divisible by 3.
Thus, they are odd.
This verifies the statement.
This verifies the statement.
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