Przekształć iloczyny na sumy. b) (√2+√3)(√6+√3) c)(x√2+1)(x-2√2) d)(x+√2)(2√2+x) DAM NAJ ZA NAJLEPSZE

Zadanie 1 [latex]A) ( sqrt{2} + sqrt{3})(sqrt{6}+ sqrt{3})= sqrt{12}+ sqrt{6} + sqrt{18} + 3 = 2 sqrt{3} + sqrt{6} +3sqrt{2} +[/latex][latex]3[/latex] [latex]B) (x sqrt{2}+ 1) ( x -2 sqrt{2} ) = x^2 sqrt{2} -4x + x -2 sqrt{2} = x^2 sqrt{2} -3x -2 sqrt{2} [/latex] [latex]C) (x+ sqrt{2}) (2 sqrt{2} +x) =2 sqrt{2} x +x^2 +4 + sqrt{2} x = x^2 3 sqrt{2}x +4[/latex]