My boyfriend tries to make me feel insecured -LRB- question my worth -RRB- . We both love each other but I dont want to be under his control.What can I do ?
Let f -LRB- x -RRB- be a function such that f ' -LRB- 1/x -RRB- + -LRB- x ^ 3 -RRB- f ' -LRB- x -RRB- = 0 then what ∫ f -LRB- x -RRB- dx having lower limit -1 and upper limit 1 ?