Докажите тождество : 2аb×(a-b)+(a-b)*(a+b)^2+6ab(b-a)=(a-b)^3. Created by askaelizade145. matematika-ru

Докажите тождество : 2аb×(a-b)+(a-b)*(a+b)^2+6ab(b-a)=(a-b)^3...

askaelizade145 @askaelizade145

July 2022 1 8 Report

Докажите тождество : 2аb×(a-b)+(a-b)*(a+b)^2+6ab(b-a)=(a-b)^3

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zhenyaM2002

Verified answer

2ab *(a-b)+ (a-b)(a+b)²+6ab(b-a) = (a-b)³
(a-b)*2ab + (a-b)(a+b)² -(a-b)*6ab = (a-b)³
(a-b)(2ab +(a+b)² - 6ab) = (a-b)³
(a-b)(2ab +a²+2ab +b² -6ab) = (a-b)³
(a-b)(a²-2ab +b²) = (a-b)³
(a-b)(a-b)² = (a-b)³
(a-b)³ ≡ (a-b)³

2 votes Thanks 1

dlina gipotenuzy pryamougolnogo treugolnika 164 sm odin iz prilegayushih k nejb87959dd52a95b0082af18322ca8d143 46843

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askaelizade145 July 2022 | 0 Ответы

esli raznost dvuh uglov s sootvetstvenno parallelnymi storonami budet 36 oprd0b3b0111be5065d22ae875ed27466e7 73229

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Answers & Comments

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preobazujte v mnogochlen h4u72

34...

reshite uravnenie 7h 19 8 3h15 6h 16

uprastite ab2a2 b2025a

reshite uravnenie 5h 4 i vsyo eto delyonaya na 4 6h3 i vsyo eto delyonaya na 8

uprostite ab2 2a2 b2 025a

uprastite ab 2a2 b2025a

primenyaya formuly sokrashennogo umnozheniya uprrstite vyrazhenie a 42 2a 4a4

dlina gipotenuzy pryamougolnogo treugolnika 164 sm odin iz prilegayushih k nejb87959dd52a95b0082af18322ca8d143 46843

esli raznost dvuh uglov s sootvetstvenno parallelnymi storonami budet 36 oprd0b3b0111be5065d22ae875ed27466e7 73229

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