Question

sa se dezvolte după formula lui newton.
c) (x√2-√3)^4

Answer 1

[tex](x \sqrt{2}- \sqrt{3} )^4=C_4^0(x \sqrt{2})^4-C_4^1(x \sqrt{2} )^3 \sqrt{3}+C_4^2(x \sqrt{2} )^2 \sqrt{3}^2-\\\\ -C_4^3(x \sqrt{2}) \sqrt{3}^3+C_4^4 \sqrt{3}^4=\\ \\ = 4x^4-8x^3 \sqrt{6}+36x^2-12x \sqrt{6}+9 [/tex]