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CBSE Class 12-science Answered

if a be a matirx of order 3*4 if r1 denote first row and c2 denote second column then determine the order of matrices r1 and c2  
Asked by gjha20367 | 24 Apr, 2019, 12:50: PM
answered-by-expert Expert Answer
A space i s space a space m a t r i x space o f space o r d e r space 3 cross times 4 rightwards double arrow A space h a s space 3 space r o w s space a n d space 4 space c o l u m n s A equals open square brackets table row cell a subscript 11 end cell cell a subscript 12 end cell cell a subscript 13 end cell cell a subscript 14 end cell row cell a subscript 21 end cell cell a subscript 22 end cell cell a subscript 23 end cell cell a subscript 24 end cell row cell a subscript 31 end cell cell a subscript 32 end cell cell a subscript 33 end cell cell a subscript 34 end cell end table close square brackets N o w comma space R o w space 1 space i. e space R 1 equals open square brackets table row cell table row cell a subscript 11 end cell cell a subscript 12 end cell cell a subscript 13 end cell cell a subscript 14 end cell end table end cell end table close square brackets comma space i t space h a s space 4 space c o l u m n s S o comma space o r d e r space o f space R 1 space i s space 1 cross times 4 C o l u m n space 2 space i. e. space C 2 equals open square brackets table row cell table row cell a subscript 12 end cell row cell a subscript 22 end cell row cell a subscript 32 end cell end table end cell end table close square brackets comma space i t space h a s space 1 space c o l u m n space a n d space 3 space r o w s S o comma space o r d e r space o f space C 2 space i s space 3 cross times 1
Answered by Renu Varma | 25 Apr, 2019, 10:06: AM

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