ALGEBRAIC FORMULAE:
1.(a+b)2=a2+b2+2ab
2.(a-b)2=a2+b2-2ab
3. (a+b)(a-b)= a2-b2
4. (a-b)2=(a+b)2-4ab
5. (a+b)2=(a-b)2+4ab
6. (a+b)3= a3+b3+3ab (a+b)
7 .(a-b)3= a3+b3-3ab (a-b)
8.a3+b3=(a+b)( a2+b2-ab)
9. a3-b3=(a-b)( a2+b2+ab)
10. am*an=am+n
11. am/ an= am-n
12. a0=1
13.(x+a)(x+b)=x2+x(a+b)+ab3