If m=3√18 + 2√12 , n = 2√18 -3√12 find 6m -7n
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Step-by-step explanation:
m=3√18 + 2√12 , n = 2√18 -3√12
6m -7n = 6(3√18 + 2√12) - 7(2√18 - 3√12)
= 18√18 + 12√12 - 14√18 + 21√12
= 4√18 + 33√12
= 12√2 + 66√3
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