Desenvolva os produtos notáveis.a) (1/8 - x)²b) (1/9 - y/12) . (1/9 + y/12) .... Pergunta de ideia deGuga2014

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October 2020 1 111 Report

Desenvolva os produtos notáveis.

a) (1/8 - x)²

b) (1/9 - y/12) . (1/9 + y/12)

Lista de comentários

Winuz Basta enquadra em um dos casos:

(a+b)² = a² + 2ab +b²
(a-b)² = a² - 2ab +b²
(a+b) (a-b) = a² -b²

Então:
a) $\frac{1}{8} ^{2} - x^{2}$

b) $\frac{1}{9}^{2} - \frac{y}{12}^{2}$

Guga2014 Como fica nesse caso (x/7 - y/12)²

Winuz x/7² - y/12²

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Lista de comentários

Underline the correct alternative. I was (on-in) paris last winter the english class is (at-on) 3 o'clock my mother and i were in salvador (on- at) saturday the boy was (in-at)home in the morning. in Brazil, spring begin (in-on) september. there was a computer (at-on)the desk

Write negative answers to the questions. 1 were allen and jim at school yesterday? (theater) 2 was john at the office last night? (Restaurant?) 3 was Kitty at the bank yesterday morning? (club) 4 were carol and sayuri at a birthday party last saturday? (supermarket)

Por favor me ajudem!!

Determine o valor do termo desconhecido:a) (2x, y+3) = (8,9)b) (3x-1, 4y) = (6,20)

Determine o valor do termo desconhecido:a) (2x, y+3) = (8,9)b) (3x-1, 4y) = (6,20)

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