Find the rank of the matrix `A=[(1,2,3),(2,3,4),(3,4,5)]`.

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One trick from me...
Whenever such a matrix come like
1st row starts with adjacent numbers like...3 4 5 6.
And further rows start with next number of 1st row 1st element.
Like ....4 5 6 7..
And so
Then rank of matrix is always. " 2"

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Thank you so much mam ✨❤️ ur voice is 😘😊

hrushimanvatkarguru