Question

simplify
${( \sqrt{ 5} - \sqrt{3)} }^{2}$




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Answer 1

Answer:

tex] {( \sqrt{ 5} - \sqrt{3)} }^{2} [/tex] =8-2√15 !

Step-by-step explanation:

(a-b) ² = a²+b²-2ab

use this formula

(√5-√3)² = (√5)² + (√3)² -2(√5*√3) = 5+3-2√15

= 8-2√15