Math shortcuts, Articles, worksheets, Exam tips, Question, Answers, FSc, BSc, MSc

#### Keep Connect with Us

• =

• Welcome in Math School.
• This is beta verion of our website.
##### What is solution of (-1)^n (n is for all integer)...?

____________________________________

##### Explanation

Let us see the solution of -1 base to power 2 and 3.

```We know that
2
(-1)  = 1
And
3
(-1)  = -1
```

therefore -1 to any EVEN power answer will 1 and -1 to any ODD power answer will -1. By putting this rule to all integers. We get ...

```                                   _
n                           |
(-1) = 1      if n is EVEN      |
n                             >
(-1) = -1     if n is ODD       |
_|
```

Final answer will be 1 when n is EVEN and -1 when n is ODD.

____________________________________

##### SHORTCUT TRICKS (Division)
• Divisible by 2 Shortcut trick
• Divisible by 3 Shortcut trick
• Divisible by 4 Shortcut trick
• Divisible by 5 Shortcut trick
• Divisible by 6 Shortcut trick
• Divisible by 7 Shortcut trick
• Divisible by 8 Shortcut trick
• Divisible by 9 Shortcut trick
• Divisible by 10 Shortcut trick