Determine whether the set, together with the indicated operations, is a vector space. if it is not, then identify at least one o
1 answer:
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Given:
The given value is .
To find:
The multiplicative inverse of .
Solution:
We know that is the multiplicative interval of
if
.
Let be the multiplicative inverse of the given value
. Then,
Divide both sides by .
Therefore, the multiplicative inverse of is
. Hence the correct option is A.
Let
x--------> the measure of the adjacent interior angle
y--------> the measure of an exterior angle at the vertex of a polygon
we know that
The measure of the adjacent interior angle and the measure of an exterior angle at the vertex of a polygon are supplementary angles
so
°
<u>Examples</u>
case 1)
<u>In a square</u>
°
so
°
In this case
The measure of an exterior angle at the vertex of a polygon equals the measure of the adjacent interior angle
case 2)
<u>an equilateral triangle</u>
°
so
°
In this case
The measure of an exterior angle at the vertex of a polygon is not equals the measure of the adjacent interior angle
therefore
<u>the answer is</u>
sometimes