class vii algebra(a b)এর বর্গের সূত্র
TRANSCRIPT
- 1.
- 2. - .
- 3.
- 4. ( )2 ( )2
- 5. a-b a b
- 6. a a 2
- 7. b b2 b 2
- 8. a b a b ab b2 2
- 9. 2 b2 abab
- 10. 2 b2 ab 2 + 2 -2ab a b 2 = a2 - 2ab + b2
- 11. ( )2 = ? (2 )2 = ? ( 3)2 =?
- 12. 1 . 2 n 2 2 . 22 32 2 3 . p2- 6pq+9q2 -
- 13. 1. x =5 y=2 2 2 + 2 ? . 2 . 3 . 5 . 9 2. x =-1 y=22 2 + 2 ? . 1 . - 3 . 2 . 9
- 14. 1 . 2 2n 2 2 . 22 2 2 3 . 2 - 8xy+16y2