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 /
Поделитесь своими знаниями, ответьте на вопрос:
1)3/2 - 3x^2-6x+3/2x^2+2x+2 : x-1/x^2+x+1 (где x=1/3) докажите тождество: 1)2p-q/pq - 1/p+q (p/q - 4/p) = 1/q / черта зарание ! )
3/2 -3(x-1)/2=3(1-x+1)/2=3(2-x)/2
x=1/3 3(2-1/3)/2=(3*5/3)/2=5/2=2,5
2)p/q-q/p=(p²-q²)/pq
1/(p+q)*((p+q)(p-q)/pq=(p-q)/pq
(2p-q)/pq-(p-q)/pq=(2p-q-p+q)/pq=p/pq=1/q