1.

यदि `A=[a_(ij)]` जहां `a_(ij)={(i+j यदि igej),(i-j यदि iltj):}` तब `3xx3` आव्यूह की रचना कीजिए।

Answer» माना A कोटि `3xx3` का आव्यूह है तब
`A=[(a_(11),a_(12),a_(13)),(a_(21),a_(22),a_(23)),(a_(31),(a_(32),a_(33))]`
जहां `a_(ij)={(i+j “यदि” igej),(i-j “यदि”iltj):}`
`:.a_(11)=1+1=2`
`a_(12)=1-2=-1`
`a_(13)=1-3=-2`
`a_(21)=2+1=3`
`a_(22)=2+2=4`
`a_(23)=2-3=-1`
`a_(31)=3+1=4`
`a_(32)=3=2=5`
`a_(33)=3+3=6`
अभीष्ट आव्यूह `A=[(2,-1,-2),(3,4,-1),(4,5,6)]`


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