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Mathematics
Mathematics
Problem
The points
A
(
1
2
,
3
)
A\left(\dfrac{1}{2},\, \sqrt{3}\right)
A
(
2
1
,
3
)
and
B
(
7
2
,
−
3
)
B\left(\dfrac{7}{2},\, -\sqrt{3}\right)
B
(
2
7
,
−
3
)
are given. What is the value of
A
B
2
AB^{2}
A
B
2
? a)
15
15
15
b)
28
28
28
c)
21
21
21
d)
12
12
12
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