Mathematics · Algebra
Find the value of a2 + b2 + c2 - 2ab + 2ac - 2bc, if a = x + y, b = x - y and c = 2x - 1.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1(2x - 2y - 1)2
- 20
- 3(2x + 2y - 1)2✓
- 4(x - y - 1)2
Correct answer
(2x + 2y - 1)2
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Algebra MCQs →Want more practice questions on Algebra?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Algebra