zadanie 7(e-i)
oraz
zadanie 8
Z góry dzięki ;)
Pomóżcie no! dam wiecej punktów
zad 7
e)
e = (k-1)/ (k+1)
e(k+1) = k -1
ek + e = k -1
ek - k = -1 -e
k(e-1) = (-1-e)/(e-1)
f)
f = (k+1)/k + a /*k
fk = k+ 1 + ak
fk - k - ak = 1
k(f-1-a) = 1
k = 1/(f-1-a)
g)
g = 2 - 1/k /*k
gk = 2k - 1
gk - 2k = -1
k (g-2) = -1
k = -1/(g-2)
h)
h = ka² + k
k(a² + 1) = h
k = h/(a² + 1)
i = a/2 + 2/k / * 2k
2ki = ak + 4
2ki - ak = 4
k( 2i - a) = 4
k = 4/( 2i - a)
zad. 8
zmieniłam na polskie litery :
a = b/c * x /*c
ac = bx
x = ac/b
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zad 7
e)
e = (k-1)/ (k+1)
e(k+1) = k -1
ek + e = k -1
ek - k = -1 -e
k(e-1) = (-1-e)/(e-1)
f)
f = (k+1)/k + a /*k
fk = k+ 1 + ak
fk - k - ak = 1
k(f-1-a) = 1
k = 1/(f-1-a)
g)
g = 2 - 1/k /*k
gk = 2k - 1
gk - 2k = -1
k (g-2) = -1
k = -1/(g-2)
h)
h = ka² + k
k(a² + 1) = h
k = h/(a² + 1)
i = a/2 + 2/k / * 2k
2ki = ak + 4
2ki - ak = 4
k( 2i - a) = 4
k = 4/( 2i - a)
zad. 8
zmieniłam na polskie litery :
a = b/c * x /*c
ac = bx
x = ac/b