Question

(√5- √3) (√5-√3) is equal to

Answer 1

Answer:

$( \sqrt{5} - \sqrt{3} )( \sqrt{5} - \sqrt{3} ) \\ \\ {( \sqrt{5} - \sqrt{3} )}^{2} \\ \\ { \sqrt{5} }^{2} - 2 \times \sqrt{5} \times \sqrt{3} + { \sqrt{3} }^{2} \\ \\ 5 - 2 \sqrt{15} + 3 \\ 8 - 2 \sqrt{15 }$

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