Derived Channel
1.54K subscribers
252 photos
4 videos
374 files
68 links
القناة الأساسية
@stepbystep001

ومـما زادني شـرفـاً وتـيــهـاً
وكدت بأخمصي أطأ الـثريا
دخولي تحت قولك يا عبادي
وأن صـيَّرت أحمد لي نـبيـا
Download Telegram
y = x^2 + 1
x is called
Anonymous Quiz
16%
dependent variable
84%
independent variable
(f+g)(x) = f(x) + g(x) = h(x)
Domain of h(x) =
Anonymous Quiz
42%
Df U Dg
58%
Df ∩ Dg
(f.g)(x) = f(x) . g(x) = h(x)
Domain of h(x) =
Anonymous Quiz
51%
Df U Dg
49%
Df ∩ Dg
(f-g)(x) = f(x) - g(x) = h(x)
Domain of h(x) =
Anonymous Quiz
26%
Df U Dg
74%
Df ∩ Dg
(f/g)(x) = f(x) / g(x) = h(x)
Domain of h(x) =
Anonymous Quiz
14%
Df U Dg - {x:g(x) != 0}
86%
Df ∩ Dg - {x:g(x) != 0}
a/b < c/d is equal to ad < cb
Anonymous Quiz
47%
T
53%
F
a/b = c/d is equal to ad = cb
Anonymous Quiz
75%
T
25%
F
we say that the function isn't one to one when we prove that
Anonymous Quiz
53%
x1 ≠ x2 ⇒ f(x1) = f(x2)
13%
x1 = x2 ⇒ f(x1) = f(x2)
34%
x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
we say that the function is one to one when we prove that
Anonymous Quiz
78%
x1 = x2 ⇒ f(x1) = f(x2)
19%
x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
4%
x1 = x2 ⇒ f(x1) ≠ f(x2)
f(x) = √|x|
Domain of f =
Anonymous Quiz
27%
R+
2%
R-
58%
R
13%
R-{0}
علشان نثبت ان الدالة one to one ممكن بطريقتين
f(x1) = f(x2) ⇒ x1=x2
x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
علشان نثبت ان الدالة مش one to one
x1 ≠ x2 ⇒ f(x1) = f(x2)
Z = Z' U 0 U Z+

(العلامة دي ' أقصد بيها الأس السالب ودي (+Z)أقصد بيها Z الموجبة )
Anonymous Quiz
74%
T
26%
F
.... is symmetric about origin point
Anonymous Quiz
46%
even function
54%
odd function
.... is symmetric about y-axis
Anonymous Quiz
91%
even function
9%
odd function
المحاضرة الرابعة 👇
The sum of two even functions is
Anonymous Quiz
95%
even
5%
odd