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OpenStudy (anonymous):
Can anyone explain this? Given BX/XC= Ab/AC, then (BX + XC):XC = ?:AC. The ? is equal to which expression shown? AB+XC AB+BX AB+AC
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OpenStudy (aravindg):
AB+AC
OpenStudy (aravindg):
This is known as componendo
OpenStudy (aravindg):
you see we can add 1 on both sides of equality to get to result
OpenStudy (aravindg):
|dw:1357663670475:dw|
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