If x2+y2=26 and xy =3 find the value of

1.	If x2+y2=26 and xy =3 find the value of
Answer» Answer: Given: . Question: So, BASICALLY we should find the value of (1) xy = 10. Directly gives us the value we needed. SUFFICIENT. (2) x = 5. Now even if we substitute the value of in we'll get TWO values for : 2 and -2, hence two values for : 9 and 49. Not sufficient. Answer: A.

Answer»

Answer:

Given: .

Question: So, BASICALLY we should find the value of

(1) xy = 10. Directly gives us the value we needed. SUFFICIENT.

(2) x = 5. Now even if we substitute the value of in we'll get TWO values for : 2 and -2, hence two values for : 9 and 49. Not sufficient.

Answer: A.

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