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

यदि फलन का प्रांत
\(f(x)=\log _e\left(\frac{2 x-3}{5+4 x}\right)+\sin ^{-1}\left(\frac{4+3 x}{2-x}\right) \quad \text { is } \quad[\alpha, \beta)\)
है तो \(\alpha^2+4 \beta\) = __________

  1. A \(5\)
  2. B \(4\)
  3. C \(3\)
  4. D \(7\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(4\)

Step-by-step Solution

Detailed explanation

Given function is \(f(x)=\log _e\left(\frac{2 x-3}{5+4 x}\right)+\sin ^{-1}\left(\frac{4+3 x}{2-x}\right)\) For domain, the conditions are \(\frac{2 x-3}{5+4 x} \gt 0 \text { and }\left|\frac{4+3 x}{2-x}\right| \leq 1\) Now,…
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