Q. If a3-b3 = 56 and a-b = 2, then what is the value of a2+b2 ?
A) 20
B) 12
C) 32
D) 28
✔ Correct Answer: 20
Exam Insight
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A) 20
B) 12
C) 32
D) 28
✔ Correct Answer: 20
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