Study Notes for CAT 2021: Algebraic Identities

By Gaurav Gupta|Updated : May 8th, 2021

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

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

=======================

 Subscribe NOW to Online Classroom Program and get:

The benefits of subscribing Online Classroom Program are:

  • Structured Live Courses with a daily study plan
  • Complete Access to all the running and upcoming courses of all CAT & other MBA Entrance Exams (IIFT, XAT, SNAP, TISSNET, MICAT, MH-CET-MBA, CMAT, NMAT etc.)
  • NO NEED to purchase separate courses for different MBA exams
  • Prepare with India's best Faculty with a proven track record (7 faculties with decades of experience)
  • Complete Doubt Resolution by Mentors and Experts 
  • Performance analysis and Report card to track improvement

To SPEAK to our counsellors, please call us on 9650052904

Sahi Prep Hai Toh Life Set Hai!

Comments

write a comment

Follow us for latest updates