Question

If Dx = -18 and D = 3 are the values of the determinant for certain simualtenous equation in x and y find x. ​

Answer 1

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Sol:-

Given :-

Dx = – 18 & x = 3

then now x = 3 in Dx = – 18

so,

D ( – 3 ) = –18

D = –18/3

D = – 6

Hence , the value of D = – 6

Hope this will help u