CUET · MATHS · PYQ PAPER 2025
Match List-I with List-II
The function \(f(x)=2 x^3-15 x^2+36 x+5\) for \(x \in[2,5]\) has
| List-I | List-II |
| (A) absolute maximum value | (I) 5 |
| (B) absolute minimum value | (II) 60 |
| (C) point of absolute maxima | (III) 3 |
| (D) point of absolute minima | (IV) 32 |
- A (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
- B (A) - (II), (B) - (I), (C) - (IV), (D) - (III)
- C (A) - (II), (B) - (IV), (C) - (I), (D) - (III)
- D (A) - (II), (B) - (III), (C) - (IV), (D) - (I)
Answer & Solution
Correct Answer
(C) (A) - (II), (B) - (IV), (C) - (I), (D) - (III)
Step-by-step Solution
Detailed explanation
\(f'(x) = 6x^2 - 30x + 36\) \(6x^2 - 30x + 36 = 0 \Rightarrow x^2 - 5x + 6 = 0 \Rightarrow (x-2)(x-3) = 0\) Critical points: \(x=2, x=3\). Endpoints: \(x=2, x=5\). \(f(2) = 2(2)^3 - 15(2)^2 + 36(2) + 5 = 16 - 60 + 72 + 5 = 33\)…
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