1 and 2 question
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Answer:
To find: (-1) + (-1) ^2n +(-1) ^(2n+1) + (-1) ^ (4n+1) = ?
Where n is an even positive integer
Solution:
When n is even then 2n is also even, 4n+1 is odd and 2n+1 is also odd .
When the power of -1 is even then answer will be positive 1 and when the power of -1 is odd then answer will be negative 1
To find= -1 +1 -1 -1 = -2
The answer will be negative 2.
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