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TIFR ECE 2019 | Question: 5

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Consider the function $f(x)=e^{x^{2}}-8 x^{2}$ for all $x$ on the real line. For how many distinct values of $x$ do we have $f(x)=0?$ 

  1. $1$
  2. $4$
  3. $2$
  4. $3$
  5. $5$

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