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Q2. Show that tan-1/2+tan-12/11 = tan-13/4. 18 0 2 -21 Q3. If A=4 -2 and B = 4 2 then find the value of

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Q2. Show that tan-1/2+tan-12/11 = tan-13/4. 18 0 2 -21 Q3. If A=4 -2 and B = 4 2 then find the value of X, where 2A + 3x = = 5B. 3 -5 1

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