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Differential Equations question

2021 · 24 Feb · Shift 1 · Q25
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  5. /2021 · 24 Feb · Shift 1 · Q25

Differential Equations question

2021 · 24 Feb · Shift 1 · Q25

JEE MainMathematicsDifferential EquationsMCQ+4 / −1
The population P = P(t) at time 't' of a certain species follows the differential equation dPdt{{dP} \over {dt}}dtdP​ = 0.5P – 450. If P(0) = 850, then the time at which population becomes zero is :
  1. A
    log⁡e18{\log _e}18loge​18
  2. B
    12log⁡e18{1 \over 2}{\log _e}1821​loge​18
  3. C
    2 log⁡e18{\log _e}18loge​18
  4. D
    log⁡e9{\log _e}9loge​9
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