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1.Relation and Function
easy
फलन $y = 2x - 3$ का प्रतिलोम होगा
A
$\frac{{x + 3}}{2}$
B
$\frac{{x - 3}}{2}$
C
$\frac{1}{{2x - 3}}$
D
इनमें से कोई नहीं
Solution
(a) $y = 2x – 3$
==> $x = \frac{{y + 3}}{2}$
==> ${f^{ – 1}}(y) = \frac{{y + 3}}{2}$
==> ${f^{ – 1}}(x) = \frac{{x + 3}}{2}$.
Standard 12
Mathematics
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