if x=2+√5)½+2-√5)½ and y=2+√5)½-2-√5)½ find the value of x²+y²
Answers
Answered by
2
Using identity-
(a+b)2=a2+2ab+b2
(a-b)2=a2-2ab+b2
Hope it helps.
Regards,
SHivam
(a+b)2=a2+2ab+b2
(a-b)2=a2-2ab+b2
Hope it helps.
Regards,
SHivam
Attachments:
Similar questions