Comprehension: \( \quad: \) Consider the real valued function \( f: R \rightarrow R \) defined a... VIDEO
Comprehension: \( \quad: \) Consider the real valued function \( f: R \rightarrow R \) defined as \( f(x)=x^{2} e^{-x} \)
Number of solutions of the equation \( 4 x^{2} e^{-x}-1=0 \) is
(a) 0
(b) 1
(c) 2
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