Question

if A=x2+y2 , B= y2+ z2 and C=2x2 +2y2 +2z2.find (A+B) -C ​

Answer 1

Question

if A=x2+y2 , B= y2+ z2 and C=2x2 +2y2 +2z2.find (A+B) -C ​

Answer:

Step-by-step explanation:

given that A=x2+y2

B= y2+ z2 and

C= 2x2 +2y2 +2z2.

(A+B) -C ​=(x2+y2+y2+z2)-( 2x2 +2y2 +2z2)

=x2+2y2+z2- 2x2 -2y2 -2z2

=x2+ z2