PDF chapter test TRY NOW
Find whether \(x\) and \(y\) are rational or irrational in the following.
(i) \(a = 2 + \sqrt{3}\), \(b = 2 - \sqrt{3}\); \(x = a + b\), \(y = a - b\)
(ii) \(a = \sqrt{2} + 7\), \(b = \sqrt{2} - 7\); \(x = a + b\), \(y = a - b\)
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