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if you substitute b as 1, you get a=a+1 which cannot be true.gmattester wrote:For any numbers a and b, a ◦ b = a + b – ab.
If a ◦ b = 0. which of the following CANNOT be a value of b?
(A) 2
(B) 1
(C) 0
(D) -1
(E) 2
After getting ab=a+b, looks like all can be values of b
Got cha.....Sunny22uk wrote:if you substitute b as 1, you get a=a+1 which cannot be true.gmattester wrote:For any numbers a and b, a ◦ b = a + b – ab.
If a ◦ b = 0. which of the following CANNOT be a value of b?
(A) 2
(B) 1
(C) 0
(D) -1
(E) 2
After getting ab=a+b, looks like all can be values of b
The OA should be be B
So, what is the answer?Sunny22uk wrote:if you substitute b as 1, you get a=a+1 which cannot be true.gmattester wrote:For any numbers a and b, a ◦ b = a + b – ab.
If a ◦ b = 0. which of the following CANNOT be a value of b?
(A) 2
(B) 1
(C) 0
(D) -1
(E) 2
After getting ab=a+b, looks like all can be values of b
The OA should be be B
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