Question

Evaluate (-1)²¹-(-1)²²

Give me a full and correct answer

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Answer 1

Answer:

$\huge \boxed{ \red{ - 2}}$

Step-by-step explanation:

When a number 1 has any even power it becomes positive 1 and when it has odd power it becomes negative 1

Here ,

(-1)²¹-(-1)²²

in the first case it has negative power , so it remains same

i.e. (-1)

In the second case it has even power,so it becomes positive

i.e. 1

Now ,

(-1)²¹-(-1)²²

= (-1) - 1

= - 2

Answer 2

Answer:

the answer=

defination-if (-1) raised to the power of odd gives (-1)

if (-1) raised to the power of even gives 1

then, (-1) -1

here minus multiplied by minus gives plus

so 1+1=2

answer is two

Step-by-step explanation:

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