1.

यदि `A={x,y,z}` और `B={1,2,3}` तथा `R={(x,2), (y,3), (z,1), (z,2)}` हो, तो `R^(-1)` ज्ञात कीजिए ।

Answer» `R^(-1)={(2,x),(3,y),(1,z),(2,z)}`


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