11if we replace the elements of the determinant by the cofactors,
the value of the new determinants become square of the value of the original determinant..
thus, here the answer should be
(11)4 :)
If the value of a third order determinant is 11,then the value of the square of the determinant formed by its cofactors is ?.
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6 Answers
11
1The answer I have is 14641.But you are getting 13641.Please you also multiply and see if you are correct.
11truely speaking, vinay,
i dont know the proof of it... :(
i have memorised it...
but i will give it a try and let u know..