If a+b = 3,ab= 2 find a-b,
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Answered by
10
Answer:
a - b = 1
Step-by-step explanation:
a+b = 3,ab= 2
∴ (a + b)² = a² + b² + 2ab
(3)² = a² + b² + 2×2
9 - 4 = a² + b²
a² + b² = 5
therefore ,
(a - b)² = a² + b² - 2ab
(a - b)² = 5 - 4
a - b = √1 = 1
Answered by
0
Answer:
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Step-by-step explanation:
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