MCQ
જો $y = f(x) = \frac{{ax + b}}{{cx - a}}$, તો $x$ મેળવો
- A$1/f(x)$
- B$1/f(y)$
- C$yf(x)$
- ✓$f(y)$
$⇒ x(cy - a) = b + ay$
$⇒ x = \frac{{ay + b}}{{cy - a}} = f(y)$.
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