MCQ
If $x=\{a, e, i, o, u\}$ and $y=\{a, o, u\}$, then the set $x-y$ is :
- A$\{a, e, i\}$
- B$\{o, u\}$
- ✓$\{e, i\}$
- D$\{e, i, o\}$
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The radius of circle x2 + y2 - 6x - 8y = 0:
| x | 10 | 15 | 20 | 25 | 35 |
| f | 6 | p | 26 | 10 | 8 |
The slope of a line ax + by + c = 0 is: