find the value of the following expression when x = 3+√3 and
y = 3-√3.
1. x+y =
2. x-y =
3. xy =
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find the value of the following expression when x = 3+√3 and
y = 3-√3.
1. x+y =
2. x-y =
3. xy =
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when
x = 3 + √3
y = 3 - √3
1) x + y
= (3 + √3) + (3 - √3)
= 6
2) x - y
= (3 + √3) - (3 - √3)
= 3 + √3 - 3 + √3
= 2√3
3) xy
= (3 + √3)(3 - √3)
= 9 - 3
= 6
Answer:
1.) x+y = 6
2.) x-y = 2√3
3.) xy or (x)(y) = 6
Step-by-step explanation:
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