A)(2x-1)^2. b)(5-4x)^2. c)(1/2x+3)^2. d)(√2x+1)^2. - вопрос №714187121254212322125325775 от v201612 23.02.2020 22:27

Question

Алгебра: A)(2x-1)^2. b)(5-4x)^2. c)(1/2x+3)^2. d)(√2x+1)^2. e)(5-3√x)^2. f)(5x-7)(7+5x). g)(1-x^2)^2. h)(2+x^2)^2

v201612 · Answer

А) (2х-1)^2=4х^2-4х+1б) (5-4х)^2=25-40х+16х^2с) (1/2х+3)^2=1/4х^2+3х+9d) (√2x+1)^2=2x+2√2x+1e) (5-3√x)^2=25-30√x+9xf) (5x-7)(7+5x)=25x^2-49g) (1-x^2)^2=1-x^2+x^4h) (2+x^2)=4+4x^2+x^4...