Mathematics · 2021
JEE Main · 27 July 2021, Shift 2 · Q90
The number of real roots of the equation e^4 x- e^3 x-4 e^2 x- e^x+1=0 is equal to \ \ \ \.
The number of real roots of the equation $\displaystyle \mathrm{e}^{4 x}-\mathrm{e}^{3 x}-4 \mathrm{e}^{2 x}-\mathrm{e}^x+1=0$ is equal to \_\_\_\_.
Official answer
2
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.