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`        If xy+x+y =250, xz+x+z =300, yz+y+z =216, the find the value of x+y+z =?`
2 years ago

Arun
23478 Points
```							x+y+xy+1=251(x+1)(y+1)=251xz+x+z+1=301(x+1)(z+1)=301in same way(y+1)(z+1)=217now multiply all three(x+1)(y+1)(z+1)))^2 =251 * 301 * 217so (x+1)(y+1)(z+1)=sqrt(251) * sqrt(301) * sqrt(217)now you have (x+1)(y+1) , you have (y+1)(z+1) , you have (x+1)(z+1) , you can find x,y,z & sum
```
2 years ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions