1) (x-5)^2=3 2) x^2=(√6+2√5)^2-4√30 - вопрос №15232262524308356219 от bryazgin98p06isp 04.11.2021 14:57

Question

Алгебра: 1) (x-5)^2=3 2) x^2=(√6+2√5)^2-4√30

bryazgin98p06isp · Answer

1) (x - 5)² = 3x - 5 = √3              x - 5 = - √3X₁ = 5 + √3            X₂ = 5 - √32) x² = (√6 + 2√5)² - 4√30x² = 6 + 4√30 + 20 - 4√30x² = 26X₁  = √26            X₂  = - √26...