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1.Relation and Function
normal
વિધેય $f(x) = \frac{{{x^2} - 3x + 2}}{{{x^2} + x - 6}}$ નો પ્રદેશ મેળવો.
A
$\{ x:x \in R,\;\;x \ne 3\} $
B
$\{ x:x \in R,\;\;x \ne 2\} $
C
$\{ x:x \in R\} $
D
$\{ x:x \in R,\;\;x \ne 2,\;x \ne - 3\} $
Solution
(d) $f(x) = \frac{{(x – 2)\,(x – 1)}}{{(x – 2)\,(x + 3)}}$
Hence domain is $\left\{ {x\,\,:\,\,x \in R,\,\,x \ne 2,\,\,x \ne – 3} \right\}$.
Standard 12
Mathematics