If x - y = 8 and xy = 12, find the value of x²+ y² ?
Answers
Answered by
1
Answer:
88
Step-by-step explanation:
x^2+y^2-2xy=64
-2xy=12x2= -24
Answered by
1
Answer:
to find x² + y² see below
- (x-y)² = x² + y² - 2 xy
- (8)² = x² + y² - 2×12
- 64 = x²+y² - 24
- x² + y² = 64 -24 = 40
- ::40
- hope it helps thank you
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