Question

simplify (√5-√2)raise to 2​

Answer 1

(√5 - √2)^2

${a}^{2} + {b}^{2} - 2ab$

= (√5)^2 + (√2)^2 - 2√5•√2

= 5 + 2 -2√10

= 7 - 2√10