(ax+by)^2+(bx - ay)^2
Answers
Answered by
2
Hope it will help you Mark as brainliest!!!!
Attachments:
Answered by
0
Answer:
Answer
Given : (ax+by) 2
+(bx−ay) 2
By using the formula (a+b) 2 and(a−b) 2 'we get,
=a 2
x 2 +b 2 y 2
+2abxy+b 2 x 2 +a 2 y 2 −2abxy
=a 2 x 2 +b 2 y 2 +b 2 2
+y2
Rearranging the terms
=a 2
x 2 +b 2 x 2 +b 2 y 2 +a 2 y 2
By taking the common terms out =x 2 (a 2 +b 2 )+y 2
(a 2 +b 2 )
So we get,
(ax+by) 2 +(bx−ay) 2 = (a 2 +b 2 )(x 2+y 2)
Similar questions