Question

An expression is given: 2(√-1) +√8If on adding -8√2 to the expression

results in a rational number, what is the value of k?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Subtraction is not commutative because switching around the numbers in the operation yields a different solution. For example, because . The operations addition and multiplication are commutative, because no matter what order you place the numbers in, you will always get the same sum/product.

Step-by-step explanation:

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