Question

Find the value of a and b in the above equation?


please answer fast
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Answer 1

Answer:

11, 6

To rationalize the denominator,

multiply 7-4√3 on denominator and numerator

Use F.O.I.L to expand.

First

Ourside

Inside

Last

Denominator (7 + 4√3) × (7 - 4√3) = 7² - (4√3)² = 49 - 48 = 1

Numerator (5 + 2√3) × (7 - 4√3) = 35 - 20√3 + 14√3 - 24 = 11 - 6√3

11 - 6√3 = a - b√3

a is 11 and b is 6.

Answer 2

Answer:

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