find A×B,A×A and B×A
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Answer:
A × B = B × A = AB or BA.
A × A = A².
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Answer:
Given in the question that (5+√6)/(5-√6)= a+b√6
(5+√6)(5+√6)/(5-√6)(5+√6) = a+b√6
(5+√6)2/(5)2 – (√6)2 = a+b√6 (
25 + 6 + 10√6) / (25-6) = a + b√6
(31 + 10√6)/ 19 = a + b√6
31/19 + 10√6/19 = a + b√6
a = 31/19 and b = 10/19
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