Find the value of a and b
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on rationalizing 7+4√3
5+2√3(7-4√3)/(7)²-(4√3)²
35 - 20√3 + 14√3 -24/1
11 - 6√3
therefore a is 11 and b is -6
5+2√3(7-4√3)/(7)²-(4√3)²
35 - 20√3 + 14√3 -24/1
11 - 6√3
therefore a is 11 and b is -6
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