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Aptitude · Q443

Algebra

Competitive Exams · Aptitude · question 443

Q443

If xy = -6 and x3 + y3 = 19 (x and y are integers), then what is the value of 1x^ - 1 + 1y^ - 1?

If xy = -6 and x3 + y3 = 19 (x and y are integers), then what is the value of
A.
2
B.
1
Answer
C.
-2
D.
-1

Answer: Option B

Solution

Answer: Option B
Solution:
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