X ki power 4 y ki power 4
- X ki power 4 y ki power 4 minus xy
- X ki power 4 y ki power 4 ka formula
- X ki power 4 + yki power 4 is equal to
- X ki power 4 minus y ki power 4 formula
- X ki power 4 minus y z ki power 4
- 81 x ki power 4 minus y ki power 4
- X ki power 4 y ki power 4 x square y square
- 10 x ki power 4 y 10 xy ki power 4
- Gunankhand kijiye x ki power 4 minus y ki power 4
- X ki power 4 minus y ki power 4 x square minus y square