If X=a2 −b2 , Y=30 and a+b=15, then

2023

Answer: D. More than one of the above

1. A.

   X is lesser than Y if a = b

2. B.

   X is greater than Y if a > b

3. C.

   Y is greater than X if a = b

4. D.

   More than one of the above

5. E.

   None of the above

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