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Dilnaz843
@Dilnaz843
July 2022
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Помогите пожалуйста! последние 4 не нужно!
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КанАртём
2.1) (c+3d)(c-3d)=c²-9d² (по формуле: (a+b)(a-b)=a²-b²) )
4.1) (3m-2n)(2n+3m)=27m³-4n²
2.2) (a²+b³)(a²-b³)=a⁴-b^9
4.2) (m³-n³)(m³+n³) =m^9 - n^9
2.3)(2m⁴-5n²)(5n²+2m⁴)= 4m^16 - 26n⁴
4.3) (1.2a²-0.3b²)(1.2a²+0.3b²)= =1.44a⁴-0.09b⁴
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Answers & Comments
4.1) (3m-2n)(2n+3m)=27m³-4n²
2.2) (a²+b³)(a²-b³)=a⁴-b^9
4.2) (m³-n³)(m³+n³) =m^9 - n^9
2.3)(2m⁴-5n²)(5n²+2m⁴)= 4m^16 - 26n⁴
4.3) (1.2a²-0.3b²)(1.2a²+0.3b²)= =1.44a⁴-0.09b⁴