M = (1, 0, -1)
Ä„ : x + 2y + 3z - 5 = 0.
a " R
Å„Å‚
ôÅ‚
òÅ‚x + 3y + z = a + 1
(a + 1)x + (4a + 1)y + (2a - 1)z = 4a + 1 .
ôÅ‚
ół2x + 2ay + 2z = a + 4
z2 - (2 + 3i)z - 5 + i = 0
(1 - x) ln x
lim
x1 - x)2
sin (1
x2 1 1
f(x) = arctan (x + 1) - x + ln (x2 + 2x + 2)
2 2 2
M = (1, 0, -1)
Ä„ : x + 2y + 3z - 5 = 0.
a " R
Å„Å‚
ôÅ‚
òÅ‚x + 3y + z = a + 1
(a + 1)x + (4a + 1)y + (2a - 1)z = 4a + 1 .
ôÅ‚
ół2x + 2ay + 2z = a + 4
z2 - (2 + 3i)z - 5 + i = 0
(1 - x) ln x
lim
x1 - x)2
sin (1
x2 1 1
f(x) = arctan (x + 1) - x + ln (x2 + 2x + 2)
2 2 2
M = (1, 0, -1)
Ä„ : x + 2y + 3z - 5 = 0.
a " R
Å„Å‚
ôÅ‚
òÅ‚x + 3y + z = a + 1
(a + 1)x + (4a + 1)y + (2a - 1)z = 4a + 1 .
ôÅ‚
ół2x + 2ay + 2z = a + 4
z2 - (2 + 3i)z - 5 + i = 0
(1 - x) ln x
lim
x1 - x)2
sin (1
x2 1 1
f(x) = arctan (x + 1) - x + ln (x2 + 2x + 2)