JEE Advanced Mathematics question
If and then is equal to
Answer: (B)
Solution
Replace by : . Multiply the original by 5 and this by 3 and subtract:
25f(x) - 9f(x) = 5x + 10 - 3x - 6 ⇒ 16f(x) = 5x - 3x + 4.
So \dfrac{3}${
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