Помогите решить задания. Created by cajka. algebra-ru

Помогите решить задания...

July 2022 1 5 Report

Помогите решить задания

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Pacanka202 2x+24 3 2x+24+3x–9
-------------- + ------- = ------------------- =
(x–3)(x+3) x+3 (x–3)(x+3)

5x+15 5(x+3) 5
= ------------- = -------------- = --------- =
(x–3)(x+3) (x–3)(x+3) (x–3)

= 5/(1997–3)=5/1994

x^2 3x–4 x^2 3x–4
-------------- – --------- = ---------- – ---------
x^2+2x+1 3x+3 (x+1)^2 3(x+1)

3x^2–3x^2–3x+4x+4 x+4
= -------------------------------- = ------------ =
3(x+1)^2 3(x+1)^2

19+4 23
= ----------- = ---------
3*20^2 1200

8a^3–b^3 8a^3+b^3
--------------------- + ---------------------- =
4a^2+2ab+b^2 4a^2–2ab+b^2

(2a–b)(4a^2+2ab+b^2)
= --------------------------------- +
(4a^2+2ab+b^2)

(2a+b)(4a^2–2ab+b^2)
+ ----------------------------------- =
(4a^2+2ab+b^2)

= 2a–b+2a+b=4a=4*0,05=0,2

1 votes Thanks 1

cajka Спасибо большое.

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