n)
dy
dx
dy
dx
2xl
dy
dx
■ ex*y, |
b) |
dy 4jc' dx~~^’ |
u ^ 1* |
d) |
dy ,32 ~ -4jt y , dx |
u *1* |
0 |
ey(\ + x2)— = 2x(\ + ev), dx |
= ix2 sin y, |
h) |
dy sin x cos y - cos xsin y — = 0 dx |
I. a, b, c, d, e, f, g 3. b) *[(0,0), i]
tak; h, i - nie.
*[(0,0), 2]
{(at,^)£R2: xe(-|,^)A>' = 0}
y | |
i {(x,j/)eR2: [xe(- |
1 X 2 2, 2)A,y = 0]v[*€(-l, l)A^eR-{()| |
i y i i i |
mj |
o | .. | |
-2 | |
1 |
B i |
4. a) *(—2, 7) = R,
b) *[(-5, 2), 5]
c) *[(U),|] =
{(jc,y)eR2: x = lA^e(i,|)}
*(5,1)-{5}, *(-3,—) = {-3}, *(3,1) = {3}, 2
= R2, *[(2,1),= {(2,1)}, *[(3,2), 1] = {(3,2)},
9
ó
4-
1 *