Question

(√19+4√21)-(√3+4√21)

Answer 1

$\sqrt{19 } + 4 \sqrt{21} - ( \sqrt{3} + 4 \sqrt{21}) \\ = \sqrt{19} + 4 \sqrt{21} - \sqrt{3} - 4 \sqrt{21} \\ = \sqrt{19} - \sqrt{3}$

Answer 2

^_^ THNKS FOR QUESTION


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solution:



=>(√19+4√21)-(√3+4√21)


=>√19+4√21-√3-4√21


=>√19-√3

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^_^