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yacukpolina
@yacukpolina
June 2023
1
8
Report
СРОЧНО!!!!! ДАЮ 30 БАЛОВ!!!!
Все задания пжжжжжжж
Очень нужно!!!(
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tohelpyou
Так, я не буду пояснювати, тому що багато завдань.
N2.
1. x^10 - 6x^5b + 9b^2 =
(x^5)^2 - 2 * x^2 * 3b + (3b)^2 =
(x^5 - 3b)^2
2. 36m^6 + n^12 + 12m^3n^6 =
36m^6 + 12m^3n^6 + n^12 =
(6m^3 + n^6)^2
3. 81/16a^6 - 9a^3b^2 + 4b^4 =
(9/4)^2 * (a^3)^2 - 2 * 9/4a^3 * 2b^2 + 2^2 * (b^2)^2 =
(9/4a^3)^2 - 2*9/4a^3 * 2b^2 + (2b^2)^2 =
(9/4a^3 - 2b^2)^2
N3
1. x^2 - 16x + 64 = 0
(x - 8)^2 = 0
x - 8 = 0
x = 8
2. 81x^2 + 126x + 49 = 0
(9x + 7) = 0
9x + 7 = 0
9x = -7
x = -(7/9)
Так.. ось і все. Сподіваюся допоміг)
* a^b = а в степені b
1 votes
Thanks 1
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Answers & Comments
N2.
1. x^10 - 6x^5b + 9b^2 =
(x^5)^2 - 2 * x^2 * 3b + (3b)^2 =
(x^5 - 3b)^2
2. 36m^6 + n^12 + 12m^3n^6 =
36m^6 + 12m^3n^6 + n^12 =
(6m^3 + n^6)^2
3. 81/16a^6 - 9a^3b^2 + 4b^4 =
(9/4)^2 * (a^3)^2 - 2 * 9/4a^3 * 2b^2 + 2^2 * (b^2)^2 =
(9/4a^3)^2 - 2*9/4a^3 * 2b^2 + (2b^2)^2 =
(9/4a^3 - 2b^2)^2
N3
1. x^2 - 16x + 64 = 0
(x - 8)^2 = 0
x - 8 = 0
x = 8
2. 81x^2 + 126x + 49 = 0
(9x + 7) = 0
9x + 7 = 0
9x = -7
x = -(7/9)
Так.. ось і все. Сподіваюся допоміг)
* a^b = а в степені b