Question

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If "n" is an even integer , then (-a) raise to power "n" is :​

Answer 1

Question :-

If "n" is an even integer , then (-a) raise to power "n" is :

• 0
• positive
• negative

Answer :-

• Positive

Explanation - We are given a negative number and we are asked what will be the sign of a number if it is raised by a even number.

When a negative number has even power i.e. it is multiplied even times the negative signs get cancelled and the number we get will be positive.

If the power of negative number is odd i.e. the number is multiplied odd times, the number we get will be negative.

Answer 2

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Question :-

If "n" is an even integer , then (-a) raise to power "n" is :

0

positive

negative

Answer :-

Positive

Explanation - We are given a negative number and we are asked what will be the sign of a number if it is raised by a even number.

When a negative number has even power i.e. it is multiplied even times the negative signs get cancelled and the number we get will be positive.

If the power of negative number is odd i.e. the number is multiplied odd times, the number we get will be negative.