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1. Is the following true or false , and why?
2. Explain why (-1)^n= 1 for any even number n.
(-1)^n = (-1)x(-1)x(-1) ... x(-1)
(-1)x(-1) = +1 , when n=3 , which is odd
We can say that whenever n is even
(-1)^n = 1 , because [ (-)x(-) = + ]
beacase when n for any even number
( - 1)^n = ( - 1)² = 1
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Answers & Comments
ANSWER
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1. Is the following true or false , and why?
SOLUTION
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2. Explain why (-1)^n= 1 for any even number n.
(-1)^n = (-1)x(-1)x(-1) ... x(-1)
(-1)x(-1) = +1 , when n=3 , which is odd
We can say that whenever n is even
(-1)^n = 1 , because [ (-)x(-) = + ]
beacase when n for any even number
( - 1)^n = ( - 1)² = 1
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#CarryOnLearning