Question

(i) State wether it is rational or not. Explain with formula used.
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Answer 1

Answer:

Using (a + b)^2 = a^2 + b^2 + 2ab

${(2 + \sqrt{2}) }^{2} = {2}^{2} + { \sqrt{2} }^{2} + 2(2)( \sqrt{2} ) = 4 + 2 + 4 \sqrt{2} = 6 + 4 \sqrt{2}$

THEREFORE, IT IS IRRATIONAL

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Answer 2

Step-by-step explanation:

therefore it is irritational I hope it's help you and anyone this is so interesting and grateful answer so please follow me please follow me