Mathematics · Matrices
यदि A = [1 tan x; -tan x 1] एक 2×2 आव्यूह है, तो AT · A-1 =
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- 1[cos 2x -sin 2x; -sin 2x cos 2x]
- 2[cos 2x sin 2x; sin 2x cos 2x]
- 3[cos 2x -sin 2x; sin 2x cos 2x]✓
- 4[cos 2x sin 2x; -sin 2x cos 2x]
सही उत्तर देखें
[cos 2x -sin 2x; sin 2x cos 2x]
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