Solve this:-
(5+2√3)(7-4√3)
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( 5 + 2√3 ) ( 7 - 4√3 )
= 5 ( 7 - 4√3 ) + 2√3 ( 7 - 4√3 )
= 35 - 20√3 + 14√3 - 8 ( √3 )²
= 35 - 20√3 + 14√3 - 24
Combine like terms
= 35 - 24 - 20√3 + 14√3
=
= 5 ( 7 - 4√3 ) + 2√3 ( 7 - 4√3 )
= 35 - 20√3 + 14√3 - 8 ( √3 )²
= 35 - 20√3 + 14√3 - 24
Combine like terms
= 35 - 24 - 20√3 + 14√3
=
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