Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • What should be added to x^2 + xy + y^2 to obtain 2x^2 + 3xy ?

Q. 4.     (a) What should be added to x^{2}+xy+y^{2} to obtain 2x^{2}+3xy?

Answers (1)

best_answer

Let the term be a which must be added to x2 + xy + y2 to obtain 2x2 + 3xy

\\a + x^2 + xy + y^2 = 2x^2 + 3xy \\a = 2x^2 + 3xy - (x^2 + xy + y^2) \\a = (2-1)x^2 + (3 - 1)xy -y^2 \\a = x^2 + 2xy - y^2

x2 + 2xy - y2 should be added to x2 + xy + y2 to obtain 2x2 + 3xy

Posted by

Sayak

View full answer

Similar Questions

Latest Question