If x+y= 2
and
xy = 1, then
find x4 + y4
Answers
Answered by
7
Answer:
hey mate
Step-by-step explanation:
here is your answer
Given
X + y = 2
xy = 1
Find
x4 + y4
Formula
(x² + y²)² = x4 + y4 + 2x²y²
solution
x² + y² -2xy = 3
23² = x4 + y4 +2(10)²
529 = x4 + y4 +200
x4 + y4 = 529 - 200
x4 + y4 = 329
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