a 2 + b 2 + 7 2 = 74 2ab, a + b = A.
Question:
a2 + b2 + 72 = 74 − 2ab, a + b =
A. 7
B. 5
C. 3
D. 1
E. 0
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B Add 2ab to each side a b 7 74 ...View the full answer
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McGraw Hills Conquering SAT Math
ISBN: 9780071493413
2nd Edition
Authors: Robert Postman, Ryan Postman
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