Question

What is 1+1-5525831289033+3314895422

​

Answer 1

Answer:

use your brain

or calculator...

Answer 2

Answer:

reason is :

n is a positive odd integer. So (-1)^n = -1

2n is a positive EVEN integer

.[(-1)^2]^n = 1^n = 1

2n+1 is a positive ODD integer

(-1)^{2n+1}=[(-1)^2]^n* * (-1)^1}= 1^{n} (-1)=-1\\

4n+2 is always a positive even integer.

(-1)^{4n+2}=[(-1)^2]^{2n+1}= 1^{2n+1}=1\\

Explanation:

Step-by-step explanation:

−1)

n

+(−1)

2n

+(−1)

2n+1

+(−1)

4n+2

=−1+1−1+1=0

reason is :

n is a positive odd integer. So (-1)^n = -1

2n is a positive EVEN integer

.[(-1)^2]^n = 1^n = 1.[(−1)

2

]

n

=1

n

=1

2n+1 is a positive ODD integer

4n+2 is always a positive even integer.

\begin{lgathered}(-1)^{4n+2}=[(-1)^2]^{2n+1}= 1^{2n+1}=1\\\end{lgathered}

(−1)

4n+2

=[(−1)

2

]

2n+1

=1

2n+1

=1

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