JEE Main 2019 Mathematics question
Let f and g be continuous functions on [0, a] such that f(x) = f(a − x) and g(x) + g(a − x) = 4, then is equal to:
Answer: (D)
Solution
Adding with x → a − x: 2I = 4∫f.
Let f and g be continuous functions on [0, a] such that f(x) = f(a − x) and g(x) + g(a − x) = 4, then is equal to:
Adding with x → a − x: 2I = 4∫f.