x और y का मान ज्ञात कीजिए जिससे \(\left[ {\begin{array}{*{20}{c}} {x + y}\\ {x - y} \end{array}} \right] = \left[ {\begin{array}{*{20}{c}} 8\\ 4 \end{array}} \right]\) है?

1
x = 5 और y = 2
2
x = 6 और y = 2
3
x = 3 और y = 5
4
इनमें से कोई नहीं 

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