Question:medium

If \( f(x)=\frac{3x-4{2x-3} \), then \( f(f(f(x))) \) will be:}

Show Hint

For Möbius functions: Solve inverse explicitly. Check if \( f=f^{-1} \).

Updated On: Mar 2, 2026

\( x \)
\( 2x \)
\( \frac{2x-3}{3x-4} \)
\( \frac{3x-4}{2x-3} \)

Show Solution

The Correct Option is A

Solution and Explanation

Was this answer helpful?

0

Questions Asked in WBJEE JENPAS UG exam

The number of reflexive relations on a set \( A \) of \( n \) elements is equal to:

WBJEE JENPAS UG - 2026
Types of Relations

If \( \cos^{-1}\alpha + \cos^{-1}\beta + \cos^{-1}\gamma = 3\pi \), then \( \alpha(\beta+\gamma) + \beta(\gamma+\alpha) + \gamma(\alpha+\beta) \) is equal to:

WBJEE JENPAS UG - 2026
Mathematical Reasoning

An \( n \times n \) matrix is formed using \( 0, 1 \) and \( -1 \) as its elements. The number of such matrices which are skew symmetric is:

WBJEE JENPAS UG - 2026
Mathematical Reasoning

If \( a, b, c \) are positive real numbers each distinct from unity, then the value of the determinant \[ \begin{vmatrix} 1 & \log_a b & \log_a c \\ \log_b a & 1 & \log_b c \\ \log_c a & \log_c b & 1 \end{vmatrix} \] is:

WBJEE JENPAS UG - 2026
Mathematical Reasoning