Study Notes on Algebra

By Yash Bansal|Updated : May 10th, 2019

Algebra Identities:

  • (a + b)2 + (a – b)2 = 2 (a2 + b2)
  • (a + b)2 – (a – b)2 = 4ab
  • a3 + b3 = (a + b) (a2 – ab + b2)
  • a3 – b3 = (a – b) (a2 + ab + b2)
  • a4 + a2 + 1 = (a2 + a + 1) (a2 – a + 1)
  • If a + b + c = 0, then a3 + b3 + c3 = 3abc

byjusexamprep

byjusexamprep

byjusexamprep

 

Thanks!!!

Team Gradeup

Comments

write a comment

Follow us for latest updates