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Matrices and Determinants question

2025 · 24 Jan · Shift 2 · Q31
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  5. /2025 · 24 Jan · Shift 2 · Q31

Matrices and Determinants question

2025 · 24 Jan · Shift 2 · Q31

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
For some a,b,a, b,a,b, let f(x)=∣a+sin⁡xx1 ba1+sin⁡xx ba1 b+sin⁡xx∣,xeq0,lim⁡x→0f(x)=λ+μa+ub.f(x)=\left|\begin{array}{ccc}\mathrm{a}+\frac{\sin x}{x} & 1 & \mathrm{~b} \\ \mathrm{a} & 1+\frac{\sin x}{x} & \mathrm{~b} \\ \mathrm{a} & 1 & \mathrm{~b}+\frac{\sin x}{x}\end{array}\right|, x eq 0, \lim \limits_{x \rightarrow 0} f(x)=\lambda+\mu \mathrm{a}+ u \mathrm{b}.f(x)=​a+xsinx​aa​11+xsinx​1​ b b b+xsinx​​​,xeq0,x→0lim​f(x)=λ+μa+ub. Then (λ+μ+v)2(\lambda+\mu+v)^2(λ+μ+v)2 is equal to :
  1. A
    25
  2. B
    16
  3. C
    9
  4. D
    36
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