Q : 3 If , then show that
Given determinant then we have to show that ,
So, then,
Hence we have
So, L.H.S. = |2A| = -24
then calculating R.H.S.
We have,
hence R.H.S becomes
Therefore L.H.S. =R.H.S.
Hence proved.
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
CBSE Class 12 accountancy board exam analysis 2024 out; paper rated easy, balanced
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