Let ƒ: R → R be such that for all x R (2¹+x + 2¹–x), ƒ(x) and (3ˣ + 3^–x) are in A.P., then the minimum value of ƒ(x) is

Sequence and Series: JEE Main 2020 Mathematics question

JEE Main 2020 · 8 Jan, Morning shift · Q5217

JEE Main 20208 Jan, Morning shiftMathematicsEasySequence and Series179× since 2002

Let ƒ : R

\to

R be such that for all x

\in

R (2¹+x + 2¹–x), ƒ(x) and (3^x + 3^–x) are in A.P., then the minimum value of ƒ(x) is

JEE Main 2020 · 8 Jan, Morning shift · Q5217

JEE Main 20208 Jan, Morning shiftMathematicsEasySequence and Series179× since 2002

Let ƒ : R

\to

R be such that for all x

\in

R (2¹+x + 2¹–x), ƒ(x) and (3^x + 3^–x) are in A.P., then the minimum value of ƒ(x) is