AnswersPrecalculusDeterminants

Determinants Answers

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1
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()2 + ()2 =

A
x + 3
B
x – 3
C
y + 3
D
y – 3
2
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()2 + ()2 =

A
+ 1
B
x – 1
C
y + 1
D
y – 1
3

()2 + ()2 =

A
4
B
8
C
16
4

The focal width is .

A
0.1
B
0.4
C
2.5
D
10

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