Решите неравенство –3x2

August 2021 1 17 Report

Решите неравенство
–3x2 – 2x + 5 < 0;

Answers & Comments

sedinalana –3x2 – 2x + 5 < 0
3x2 + 2x - 5 > 0
D=4+60=64
x1=(-2-8)/6=-5/3
x2=(-2+8)/6=1
+ _ +
--------(-5/3)--------------------(1)------------------
x∈(-∞;-5/3) U (1;∞)

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Answers & Comments

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diagonal bokovoj grani pravilnoj treugolnoj prizmy ravna d i obrazuet s diago

dokazhite chto protivopolozhnye grani pravilnogo oktaedra lezhat v parallelnyh pl

radius osnovaniya cilindra raven 8 sm a diagonal osevogo secheniya bolshe obrazuyuf18accf38cec4d456577a1d2e3a42255 44643

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