(5√2+6√3)(6√2-5√3) (√17-√11)(√17+√11) (2√x-5√y)(2√x+5√y) - вопрос №52636253171117112525622372329970696 от tetyanaostafi 20.02.2022 03:36

Question

Алгебра: (5√2+6√3)(6√2-5√3) (√17-√11)(√17+√11) (2√x-5√y)(2√x+5√y) (√6-2)`2 (3√7-2√3)`2

tetyanaostafi · Answer

(5√2)^2-(6√2)^2=(25*2)-(36*2)=50-72=-22(√17)^2-(√11)^2=17-11=6(2√x)^2-(5√y)^2=4x-25y(√6-2)^2=6-4=2(9*7)-(4*3)=63-12=51...