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Mathematics
•
6th - 8th Grade
•
Easy
Roman Hall
Used 2+ times
FREE Resource
2 Slides • 1 Question
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Test
2
Open Ended
1. Positive real numbers a and b satisfy a+b1=7 and b+a1=5 . Compute ab+ab1 .
3
Solution to Problem 1
Multiply the two equations together to get (a+b1)(b+a1)=ab+1+1+ab1=35⟹ab+ab1=33
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