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यदि A=[{:(2,8),(-7,3):}]औरB=[{:(-1,3),(2...

यदि A=[{:(2,8),(-7,3):}]औरB=[{:(-1,3),(2,-4):}],तोदिखाइएकि - (A+B)\'=A\'+B\' | 12 | आव्यूह | MA...

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