UP PGT Math previous years question paper solution

Question : Find UP PGT Math previous years question paper solution of the following problemSolution :Let A={a,b,c,d,e} and B ={a,b,c,d,e}So \[A\times B \] has 5*5 =5^2 elementsand \[B\times A \] has 5 *5 = 5^2 elementsTherefore number of common elements…

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