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- √18 / √2 = a+b √2 where a and b are integers. What is the value of a and b?

User Naga Botak
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1 Answer

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Final answer:

To solve − √18 / √2 and express it as a+b √2, we simplify √18 to 3√2, and then divide by √2, which results in 3. Therefore, a=3 and b=0.

Step-by-step explanation:

The student has asked to simplify the expression − √18 / √2 and express it in the form a+b √2, where a and b are integers.

To find the value of a and b, we can simplify the given expression by rationalizing the denominator:

  • Firstly, √18 can be simplified to √9*√2, which equals 3√2.
  • So, the expression becomes 3√2 / √2.
  • Dividing 3√2 by √2, we just get 3.

Therefore, the values of a and b are 3 and 0, respectively, since there is no √2 term left after simplification.

User Dominic Weiser
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