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Quiz

Lesson 1 Quiz: Three-Dimensional Cartesian Coordinates and Vector Operations

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  • Questions count: 2
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1.
In the arithmetic sequence (3, 7, 11, 15, ...), the common difference d and the 20th term (T_20) are respectively:
d = 4 and T_20 = 79
d = 5 and T_20 = 98
d = 3 and T_20 = 60
d = 4 and T_20 = 83
2.
In the expansion of \((x + a)^8\), the middle term is:
C) \(T_4\) and \(T_5\)
D) \(T_6\)
A) \(T_4\)
B) \(T_5\)
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