4 / 2 2 /atan2(-im(m), -re(m))\ 4 / 2 2 /atan2(-im(m), -re(m))\
\/ 3 *\/ im (m) + re (m) *cos|| i*\/ 3 *\/ im (m) + re (m) *sin||
\ 2 / \ 2 /
n1 = - -
3 3
4 / 2 2 /atan2(-im(m), -re(m))\ 4 / 2 2 /atan2(-im(m), -re(m))\
\/ 3 *\/ im (m) + re (m) *cos|| i*\/ 3 *\/ im (m) + re (m) *sin||
\ 2 / \ 2 /
n2 = +
3 3
/ / \\ / / \\
/ 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)|| / 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)||
/ / \ / \ |atan2| - + || / / \ / \ |atan2| - + ||
/ |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /| / |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /|
n3 = - 4 / | - | + | + | *cos|| - i*4 / | - | + | + | *sin||
\/ \ 6 6 / \ 6 6 / \ 2 / \/ \ 6 6 / \ 6 6 / \ 2 /
/ / \\ / / \\
/ 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)|| / 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)||
/ / \ / \ |atan2| - + || / / \ / \ |atan2| - + ||
/ |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /| / |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /|
n4 = 4 / | - | + | + | *cos|| + i*4 / | - | + | + | *sin||
\/ \ 6 6 / \ 6 6 / \ 2 / \/ \ 6 6 / \ 6 6 / \ 2 /
/ / \\ / / \\
/ 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)|| / 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)||
/ / \ / \ |atan2| + - || / / \ / \ |atan2| + - ||
/ |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /| / |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /|
n5 = - 4 / | + | + | - | *cos|| - i*4 / | + | + | - | *sin||
\/ \ 6 6 / \ 6 6 / \ 2 / \/ \ 6 6 / \ 6 6 / \ 2 /
/ / \\ / / \\
/ 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)|| / 2 2 | |im(m) \/ 3 *re(m) re(m) \/ 3 *im(m)||
/ / \ / \ |atan2| + - || / / \ / \ |atan2| + - ||
/ |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /| / |im(m) \/ 3 *re(m)| |re(m) \/ 3 *im(m)| | \ 6 6 6 6 /|
n6 = 4 / | + | + | - | *cos|| + i*4 / | + | + | - | *sin||
\/ \ 6 6 / \ 6 6 / \ 2 / \/ \ 6 6 / \ 6 6 / \ 2 /
ответ:
объяснение:
1.
(x+2)(x-3)(x-4) < 0
(-2) (3) (4)
x∈(-∞ -2) u (3 4)
2
(x+5)/(x-2)/(x-1)^2 > =0
[-5] (1) [2]
x∈(-∞ -5] u [2 +∞)
3
(2x+1)/(x-3) < =1
(2x+1)/(x-3) - 1< =0
(2x+1 - x + 3)/(x-3)< =0
(x+4)/(x-3)< =0
[-4] (3)
x∈[-4 3)
4
x/(x-4) + 5/(x-1) + 24/(x-1)(x-4) < =0
(x(x-1) + 5(x-4) + 24)/(x-1)(x-4) < =0
(x^2 - x + 5x - 20 + 24) /(x-1)(x-4) < =0
(x^2-4x+4)/(x-1)(x-4) < =0
(x-2)^2/(x-1)(x-4) < =0
(1) [2] (4)
x∈(1 4)
добро ! получи неограниченный доступ к миллионам подробных ответов
попробуй сегодня
надеюсь если сможешь отметь как лучший
1)b₁ =- 0,001 q = - 10
b₄ = b₁ * q³ = - 0,001 * (- 10)³ = - 0,001 * (- 1000) = 1
b₇ = b₁ * q⁶ = - 0,001 * (- 10)⁶ =- 0,001 * 10⁶ = - 10⁻³ * 10⁶ = 10⁻³⁺⁶ = 10³ = 1000
2) q = 5 b₇ = - 62500
b₇ = b₁ * q⁶
b₁ = b₇ : q⁶ = - 62500 : 5⁶ = - 62500 : 15625 = - 4
b₅ = b₁ * q⁴ = - 4 * 5⁴ = -4 * 625 = - 2500