- Home
- Standard 12
- Mathematics
1.Relation and Function
normal
જો $\,\,f(x) = \left\{ {\begin{array}{*{20}{c}}
{3 + x;\,\,\,\,\,x \geqslant 0} \\
{2 - 3x;\,\,\,\,\,x < 0}
\end{array}} \right.$ હોય તો $\mathop {\lim }\limits_{x \to 0} f(f(x))$ ની કિમત મેળવો.
A
$9$
B
$6$
C
$-4$
D
અસ્તિતવ નથી
Solution
$(2^x-1)\,(2^x-7)=7 \Rightarrow x = 3$ only
Standard 12
Mathematics
Similar Questions
normal