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🙋Topic: matrices

Matrix means rectangular array or arrangements of row and column.


Types of matrices
1.Row matrices :A matrix having exactly single rows .
Example .(2 3 4 )
2.column matrices: A
matrix having exactly single column.
Example.(2)
(3)
(4)
3.square matrix: A matrix having the same rows and column.
Example matrix having 2×2



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FRESHMAN TIPS pinned «🔷ስላም የeducational tips members ዛሬ ትንሽ tips discussion እናደርጋለን 🙋Topic: matrices Matrix means rectangular array or arrangements of row and column. Types of matrices 1.Row matrices :A matrix having exactly single rows . Example .(2 3 4 ) 2.column matrices:…»
4.Diagonal matrix :A square matrix which all non diagonal elements are 0 is called a diagonal matrix.

This means first its must be square means equal rows and column.
Example (2 0 0)
(0 4 0)
(0 0 3)
5.zero matrix: A matrix which each elements is zero or null matrix.

Example (0 0 )
(0 0)
6.scalar matrix: a diagonal matrix which all the diagonal elements are equal.

🙋first diagonal means square and all non diagonal are zero .

Example (2 0 0)
(0 2 0)
(0 0 2)
6.Identity matrix : a scalar matrix which diagonal elements are all one(1)

Example (1 0)
(0 1)




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Quiz
Let A ( 1 -2 3 ) find matix B ???
( 7 8 9 )
( -3 0 4)
A. A+B is a scalar matrix
B. A+B is an identity matrix

Any one who can solve this??????🙋🙋🙋🙋

.
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FRESHMAN TIPS pinned «Quiz Let A ( 1 -2 3 ) find matix B ??? ( 7 8 9 ) ( -3 0 4) A. A+B is a scalar matrix B. A+B is an identity matrix Any one who can solve this??????🙋🙋🙋🙋 .»
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ላለው ይጨመርለታል !

ስለሚዳላለት አይደለም የኖረው እንዴት መያዝ እንዳለበት ቀድሞ ስለገባው ነው !
አየህ ሲገባህ እንዴት መጠበቅ እንዳለብህ ታውቃለህ ያኔ ደግሞ ከነበረህ ላይ እጥፉን የመጨመር አቅም ይኖርሀል !

ስለዚህ ጥቂት ለማወቅ ጣር በእውቀት ላይ እውቀት ይጨመርልሀል !


ቴሌግራም :
@examanswer1
                 
@examanswer1

የተባረከ አረብ ተመኘን 🙏

Credit: Inspire Ethiopia
FRESHMAN TIPS
Quiz Let A ( 1 -2 3 ) find matix B ??? ( 7 8 9 ) ( -3 0 4) A. A+B is a scalar matrix B. A+B is an identity matrix Any one who can solve this??????🙋🙋🙋🙋 .
Answer

A. A+B is a scalar matrix

💡hint: scalar means square matrix , and all non diagonal elements are zero and all diagonal elements are equal.

Example :  (A 0 0)
                   (0 A 0)
                   (0 0 A)

🙋 solution
 
A+B =(A 0 0)
          (0 A 0)
         (0 0 A)
B=(A 0 0)   (1 -2 3)
     (0 A 0) - (7 8 9)
     (0 0 A)   (-3 0 4)

Then

B=(A-1   2    -3)
     (-7   A-8   -9)
     (3      0   A-4)

.
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FRESHMAN TIPS pinned « Answer A. A+B is a scalar matrix 💡hint: scalar means square matrix , and all non diagonal elements are zero and all diagonal elements are equal. Example :  (A 0 0)                    (0 A 0)                    (0 0 A) 🙋 solution   A+B =(A 0 0)          …»
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በጎንደር ዩኒቨርሲቲ የ12ኛ ክፍል መልቀቂያ ፈተና ሲሰጥ የነበረ አንድ ፈታኝ እንዲሁም ሁለት ፖሊሶች መገደላቸውን ትምህርት ሚኒስቴር አሳውቋል፡፡

የ2015 ዓ.ም የ12ኛ ክፍል ብሔራዊ ፈተና መጠናቀቅን አስመልክተው ለጋዜጠኞች መግለጫ የሰጡት የትምህርት ሚኒስትሩ፤ ትላንትና በጎንደር ዩኒቨርሲቲ ሦስት ካምፓሶች የተከሰተውን አብራርተዋል፡፡

በዕለቱ “በአካባቢው ያሉ የታጠቁ ኢ-መደበኛ ኃይሎች በመከላከያ ሰራዊት ላይ ተኩስ መክፈታቸውን” ተከትሎ፤ በተካሄደ የተኩስ ልውውጥ በጎንደር ዩኒቨርሲቲ የ12ኛ ክፍል ፈተና ሲሰጥ የነበረ አንድ ግለሰብ እና ሁለት የፌደራል ፖሊስ አባሎች መገደላቸውን ሚኒስትሩ ተናግረዋል። አንድ የፌደራል ፖሊስ አባልም መቁሰሉን ገልጸዋል።

በዚህ ክስተት ምክንያትም በጎንደር ዩኒቨርሲቲ “ማራኪ”፣ “ቴዎድሮስ” እና “ፋሲል” ካምፓሶች የ12ኛ ክፍል ፈተና ሲፈተኑ የነበሩ 16 ሺህ ገደማ ተማሪዎች፤ ትላንት ከሰዓት እና ዛሬ ጠዋት የተሰጡትን ፈተናዎች አለመውሰዳቸውን ጠቅሰዋል። ፈተናውን ላልወሰዱ ተማሪዎች "ሌላ አማራጭ" እንደሚዘጋጅም ጠቁመዋል።

በጎንደር ዩኒቨርሲቲ ሦስት ካምፓሶች ላይ ካጋጠመው ችግር ውጪ በአማራ ክልል በሚገኙ ሌሎች ዩኒቨርሲቲዎች የተሰጠው ፈተና “በሰላም መጠናቀቁን” ሚኒስትሩ ተናግረዋል። ተማሪዎቹን የማጓጓዝ ሥራ መጀመሩንም ገልጸዋል።

ይሁን እንጂ የአውሮፕላን በረራ በተቋረጠባቸው አካባቢዎች የሚገኙ የፈተና አስፈጻሚዎች፤ “ሁኔታው እስከሚረጋጋ ድረስ ትንሽ ቀን” መጠበቃቸው ግድ እንደሆነ ሚኒስትሩ ጠቁመዋል።

ምንጭ፦ ኢትዮጵያ ኢንሳይደር

Credit: tikvahuniversity



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@examanswer1
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Forwarded from Daily English Quiz
Synonym of "Adverse"
Anonymous Quiz
74%
Unfavorable
9%
Stock
11%
Swayed
6%
Demography
Forwarded from Daily English Quiz
Synonym of " Pioneer"
Anonymous Quiz
32%
Spot light
19%
Nudged
39%
Develop
10%
Descend
Forwarded from Daily English Quiz
Synonym of " Cohorts "
Anonymous Quiz
15%
Delirious
45%
Convention
26%
Outfit
15%
Indulgent
Forwarded from Daily English Quiz
2
😀hey bro
                                   Yep

😀how was your English exam??
  
                 It was so easy.but one question was so difficult?😆

🙄which one?


        It asked what was the past form of think? I was thought and thought and finaly end up with thinked. 


😅😅😅😅😅😅hahahaha



Just for fun
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we r stemeducation
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@examanswer1
6
FRESHMAN TIPS pinned «😀hey bro                                    Yep 😀how was your English exam??                     It was so easy.but one question was so difficult?😆 🙄which one?         It asked what was the past form of think? I was thought and thought and finaly end…»
''Don't study hard study smart ''

We r stemeducation