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CBSE Class 12-science Answered

construct 3 x 2 matrix whose elements are given by aij = 2i - j
Asked by haroonrashidgkp | 14 Mar, 2018, 09:05: AM
answered-by-expert Expert Answer
begin mathsize 16px style space 3 cross times 2 space space matrix space space is space space open square brackets table row cell straight a subscript 11 end cell cell straight a subscript 12 end cell row cell straight a subscript 21 end cell cell straight a subscript 22 end cell row cell straight a subscript 31 end cell cell straight a subscript 32 end cell end table close square brackets Since space straight a subscript ij space space end subscript equals space 2 straight i space minus space straight j Therefore comma straight a subscript 11 space equals 2 space cross times space 1 minus 1 space equals 1 space space space space comma straight a subscript 12 space equals space 2 cross times 1 space minus space 2 space equals 0 space space space straight a subscript 21 space end subscript equals 2 space cross times space 2 minus 1 space equals 3 space space space space comma straight a subscript 22 space equals 2 space cross times space 2 space minus 2 space equals 2 straight a subscript 31 space end subscript equals 2 space cross times 3 space minus 1 space equals 5 space space space space comma straight a subscript 32 space equals 2 space cross times 3 space minus 2 space equals 4 Therefore space the space required space 3 cross times 2 space Matrix space is space open square brackets table row 1 0 row 3 2 row 5 4 end table close square brackets. end style
Answered by Yasmeen Khan | 14 Mar, 2018, 09:38: AM

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CBSE 12-science - Maths
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