(A) 3
(B) 6
(C) 9
(D) 12
(E) 36
Solution for GRE Math Problem 65:
1 < ab < 2
2 < a+b < 4
So, ab < 2 < a+b
Answer:B
Thursday, April 8, 2010
GRE Math Problem 66
If A is the point (-4, 1) and B is the point (2, 1), what is the area of the circle which has AB as a diameter?
(A) 3
(B) 6
(C) 9
(D) 12
(E) 36
Solution for GRE Math Problem 65:
1 < ab < 2
2 < a+b < 4
So, ab < 2 < a+b
Answer:B
(A) 3
(B) 6
(C) 9
(D) 12
(E) 36
Solution for GRE Math Problem 65:
1 < ab < 2
2 < a+b < 4
So, ab < 2 < a+b
Answer:B
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Solution for 65:
ReplyDeleteAnswer is D.
Set a as 0, and b as 1.
Then set a as -1, and b as 0.