If aΒ² - bΒ² = 21 and aΒ² + bΒ² = 29, which of the following could be the value of ab?
Anonymous Quiz
5%
-10
25%
5β2
20%
10
49%
All except B
What is the solution set of | x+1| - | x+3l = -2 ?
Anonymous Quiz
28%
{ }
52%
[ -1, β)
13%
(-1, β)
8%
{ -1, 0, 5}
β€3
To be a winner in your life, earnestly believe in your mind and trust your heart.
β€2π1
βπͺπΉ Happy National Flag Day! πͺπΉ
βToday, October 12, we celebrate the 19th National Flag Day of Ethiopia under the theme "Our Flag for National Consensus and Unity."
βOur flag is a symbol of identity, sovereignty, perseverance, and shared history. Beyond the tricolor of Green, Yellow, and Red, it represents our collective drive toward growth, peace, and national pride.
βMay today serve as a reminder of what we can achieve when we stand united and work toward a brighter future.
@maths_group11
βToday, October 12, we celebrate the 19th National Flag Day of Ethiopia under the theme "Our Flag for National Consensus and Unity."
βOur flag is a symbol of identity, sovereignty, perseverance, and shared history. Beyond the tricolor of Green, Yellow, and Red, it represents our collective drive toward growth, peace, and national pride.
βMay today serve as a reminder of what we can achieve when we stand united and work toward a brighter future.
@maths_group11
β€3π₯1π₯°1
#Jinka_University
α¨α₯αͺ αα΅α³ααα« αα α²α΅ αα’ α°ααͺαα½α’
Waamicha barattoota haaraa 2019 E.C!
@maths_group11
α¨α₯αͺ αα΅α³ααα« αα α²α΅ αα’ α°ααͺαα½α’
Waamicha barattoota haaraa 2019 E.C!
@maths_group11
β€4
#Arsi_University
α¨α₯αͺ αα΅α³ααα« αα α²α΅ αα’ α°ααͺαα½α’
Waamicha barattoota haaraa 2019 E.C!
@maths_group11
α¨α₯αͺ αα΅α³ααα« αα α²α΅ αα’ α°ααͺαα½α’
Waamicha barattoota haaraa 2019 E.C!
@maths_group11
Given data 20,16,12,8,18,5,9,24 then which one of the following is standard deviation of the data?
Anonymous Quiz
33%
6.14
23%
43.4
29%
4.2
15%
22.3
A fair die is tossed once. What is the probability that an even number appears?
Anonymous Quiz
15%
1/6
17%
1/4
18%
1/3
50%
1/2
β€3
π₯3β€1
Which one of the following is the sum of all even natural numbers less than 99?
Anonymous Quiz
9%
2550
26%
5100
19%
5050
46%
2450
What is the average of the frist six (positive) odd number each of which is divisible by7?
Anonymous Quiz
10%
46
27%
48
52%
42
10%
45
#Adigrat_University
α 2019 α.α α αα°α α ααααα₯α α΅αα αα³α½αα α αα²αα«α΅ α©αα¨αα²α² α¨αα΅α¨α³α°α #αα£α_α°ααͺαα½ α¨αααα£ αα α₯α αα΅ 23 α₯α 24/2019 α.α αααα α©αα¨αα²α²α α α³αααα’
α α°α αα±α΅ ααα΅ α₯α» α α©αα¨αα²α²α αα α¬α α΅α΅α«α α½/α€α΅ α αααα΅ α₯αα΅α΅αααα‘ α©αα¨αα²α²α α α³α΅α§αα’
α¨ααααͺα« αα α΅αα αα΅ α₯α αα΅ 26/2019 α.α α₯αα°αααα α°αααΏαα’
@maths_group11
α 2019 α.α α αα°α α ααααα₯α α΅αα αα³α½αα α αα²αα«α΅ α©αα¨αα²α² α¨αα΅α¨α³α°α #αα£α_α°ααͺαα½ α¨αααα£ αα α₯α αα΅ 23 α₯α 24/2019 α.α αααα α©αα¨αα²α²α α α³αααα’
α α°α αα±α΅ ααα΅ α₯α» α α©αα¨αα²α²α αα α¬α α΅α΅α«α α½/α€α΅ α αααα΅ α₯αα΅α΅αααα‘ α©αα¨αα²α²α α α³α΅α§αα’
α¨ααααͺα« αα α΅αα αα΅ α₯α αα΅ 26/2019 α.α α₯αα°αααα α°αααΏαα’
@maths_group11
β€6
A____________ is a square matrix whose elements above the main diagonal are all zero.
Anonymous Quiz
27%
Zero matrix
3%
Square matrix
61%
Lower triangular matrix
9%
Scalar matrix
What is the determinant of an identity matrix of any order n?
Anonymous Quiz
8%
2
80%
1
11%
-1
2%
-2
If A and B are matrices of order 3 with det(A) = 3 and det(B) = 5 then what is the value of det(2AB) ?
Anonymous Quiz
5%
60
47%
120
41%
30
7%
135
β€3
The graph of a rational function can never intersect its horizontal asymptote.
Anonymous Quiz
45%
True
55%
False
π―1
#Debre_Tabor_University
α α΅αα«α ααα α ααα α¨αααα₯α΅ α©αα¨αα²α²αα½ αα΅α₯ α΅α΅αα© α¨αα«α½αα α 2019 α.α α αααα α°α₯α¨ α³α¦α α©αα¨αα²α² α¨α°αα°α£α½α α°ααͺαα½ α¨α₯α αα΅ 04-06/2019 α.α α α°α₯α¨ α³α¦α α©αα¨αα²α² αα α¬α α΅α΅α«α α α α«α α αααα΅ αͺααα΅ α₯αα΅α³α°αα α©αα¨αα²α²α α α³α΅α§αα’
@maths_group11
α α΅αα«α ααα α ααα α¨αααα₯α΅ α©αα¨αα²α²αα½ αα΅α₯ α΅α΅αα© α¨αα«α½αα α 2019 α.α α αααα α°α₯α¨ α³α¦α α©αα¨αα²α² α¨α°αα°α£α½α α°ααͺαα½ α¨α₯α αα΅ 04-06/2019 α.α α α°α₯α¨ α³α¦α α©αα¨αα²α² αα α¬α α΅α΅α«α α α α«α α αααα΅ αͺααα΅ α₯αα΅α³α°αα α©αα¨αα²α²α α α³α΅α§αα’
@maths_group11
β€3
#Ambo_University
α¨α₯αͺ αα΅α³ααα« αα α²α΅ αα’ α°ααͺαα½α’
Waamicha barattoota haaraa 2019 E.C!
@maths_group11
α¨α₯αͺ αα΅α³ααα« αα α²α΅ αα’ α°ααͺαα½α’
Waamicha barattoota haaraa 2019 E.C!
@maths_group11
β€2