MHT CET 2026 Mathematics question
If matrix A and its inverse A are given by and , then the polar co-ordinates of the points whose Cartesian co-ordinates are are ...
Answer: (C)
Solution
Since , multiply row 1 of by column 3 of : , so and . Multiply row 3 of by column 1 of : , so and . (Check: row 3 times column 2 gives for .)
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