Question:-Prove Those Matrices Are Singular
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Question From Matrices [ Class-12]
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Answered by
15
Hi there!
A matrix is said to be singular if it's determinant is zero.
So to find whether the matrix is singular or not we need to find the determinant.
For equation... refer to the attachment...
Hope it helps!!
A matrix is said to be singular if it's determinant is zero.
So to find whether the matrix is singular or not we need to find the determinant.
For equation... refer to the attachment...
Hope it helps!!
Attachments:
Ruhanika105:
thnx
how did u write expanding... u should have mentioned that det(A) meaning the determinat of the matrix dear
*determinant
I meant that without writing the determinant... it is not appropriate to expand it... by the way.. good answer
it is not always needed to write the expanding along which row or column... writing detA = some value, is also acceptable... no need of writing the determinant too
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7
The answer is given in the attachment :
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very simple question
i already done this question in class 9 th
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