Question

Запишите выражения в виде многочлена a)(×+2)³ b )( 2/3a+3b)³ c) (m+0,2)³ d)(5-x)³ e) (2p-1)³ f) (k+1/3)³​

Answer 1

Ответ:

1)х³+2³=х³+8

2)(2/3)³а³+3³b³=8/27a³+27b³

3)m³+0,2³=0,008+m³

4)5³-x³=125-x³

5)2³p³-x³=8p³-x³

6)k³+(1/3)³=1/27+k³

Answer 2

a) (× + 2)³

To expand the expression (× + 2)³, we can use the binomial expansion formula. The formula for expanding a binomial raised to the power of n is:

(x + y)ⁿ = C(n, 0) * xⁿ * y⁰ + C(n, 1) * xⁿ⁻¹ * y¹ + C(n, 2