If a2(square)+b2=c2, a,b,c are all integer,which of the following is not the answer of a+b+c?
(A)2 (B)1 (C)-2 (D)4 (E)6
Ultimately in the quickest approach. Thank you!!
Could you help me solve the problem?
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- Tani
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substitute 3,4,and 5 - positive or negative (Pythagorean triplets) and see what you get.
e.g. 3+4-5 = 2
-3 -4 = 5 = -2
-3 +4 + 5 = 6
3 - 4 + 5 = 4
answer is B)1
e.g. 3+4-5 = 2
-3 -4 = 5 = -2
-3 +4 + 5 = 6
3 - 4 + 5 = 4
answer is B)1
Tani Wolff