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A: int (1)/(3+4cosx)dx=(1)/(sqrt(7))log|(sqrt(7)+tan(x//2))/(sqrt(7)-tan(x//2))|+c R : If a lt b then int(dx)/(a+b cosx)= (1)/(sqrt(b^(2)-a^(2)))log|(sqrt(b+a)+sqrt(b-a)tan(x//2))/(sqrt(b+a)-sqrt(b-a)tan(x//2))|+c

Answer»

Both A and R are TRUE and R is the CORRECT EXPLANATION of A
Both A and R are true and R is not correct explanation of A
A is true R is false
A is false but R is true.

Answer :1


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