X ki power 4 minus y ki power 4
- x ki power 4 y ki power 4 minus xy
- x ki power 4 minus y z ki power 4
- factorise 16x ki power 4 minus y ki power 4
- gunankhand kijiye x ki power 4 minus y ki power 4
- 16 x ki power 4 minus y ki power 4
- 81 x ki power 4 minus y ki power 4
- x ki power 4 minus y ki power 4 formula
- x ki power 4 minus y ki power 4 x square minus y square
- x ki power 4 minus y ki power 4