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JEE Mains · Maths · STD 11- 2. Relation and Function

यदि फलन
\(f(x)=\frac{1}{\sqrt{10+3 x-x^2}}+\frac{1}{\sqrt{x+|x|}}\) का प्रांत \((a, b)\) है, तो \((1+a)^2+b^2\) = __________

  1. A \(26\)
  2. B \(29\)
  3. C \(25\)
  4. D \(30\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(26\)

Step-by-step Solution

Detailed explanation

\(\mathrm{x}+|\mathrm{x}| \gt 0 \quad \Rightarrow \mathrm{x} \in(0, \infty)\) ...(1) \(\begin{aligned} & \& 10+3 x-x^2 \gt 0 \\ & \Rightarrow x^2-3 x-10 \lt 0\end{aligned}\) \(\Rightarrow x \in(-2,5)\) ...(2)…
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