Solve in 10 min (x + 1) (x+1), (a) +x-tanx+C (c)+x-2tan~x+C 3 dx = ? (b)-x-2tan x

Solve in 10 min

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(x + 1) (x²+1), (a) ²+x-tan²¹x+C (c)²+x-2tan~¹x+C 3 dx = ? (b)-x-2tan ¹x + C (d) none of these -1) = ? (a) = log (c) = log 2T 2x +11 2x-1| +C 2x +11 2x+1 2x-1) (d) none of these +C (x + 1) (x²+1), (a) ²+x-tan²¹x+C (c)²+x-2tan~¹x+C 3 dx = ? (b)-x-2tan ¹x + C (d) none of these -1) = ? (a) = log (c) = log 2T 2x +11 2x-1| +C 2x +11 2x+1 2x-1) (d) none of these +C