Question

hi guys plz solve it for me plz
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Answer 1

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Answer 2

Answer:

rationalize 1st term we get

(5+√3)(7+4√3) =

(7-4√3)(7+4√3).

(5+√3)(7+4√3). ( a-b)(a+b)=a²-b²

49-48

(5+√3)(7+4√3)

1

35+20√3+7√3+12

47+27√3

similarly 2nd term we get

(5-√3)(7-4√3)

simplify

we get

35-20√3-7√3+12

47-27√3

by subtract both terms we get

47+27√3-47+27√3

54√3

thank you

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