JEE Main Integration Practice Test 2025 – Complete Exam Prep Guide

Question: 1 / 400

For the integral ∫ e^(kx) dx, where k is a constant, what is the result?

(1/k)e^(kx) + C

To find the result of the integral ∫ e^(kx) dx, where k is a constant, we use a standard technique for integrating exponential functions.

When integrating e^(kx), we apply the rule that states when integrating an exponential function of the form e^(ax) with respect to x, the integral can be expressed as (1/a)e^(ax) + C, where a is a constant, and C is the constant of integration.

In this case, a is replaced by k. Therefore, we follow the rule:

∫ e^(kx) dx = (1/k)e^(kx) + C.

This properly accounts for the factor k in the exponent. The division by k is necessary to ensure that the differentiation of the result returns us to the original function. If we take the derivative of (1/k)e^(kx) with respect to x, we get e^(kx) back, confirming that the integral works as intended.

Thus, (1/k)e^(kx) + C is indeed the correct form of the integral for ∫ e^(kx) dx.

Get further explanation with Examzify DeepDiveBeta

e^(kx) + C

(k)e^(kx) + C

(1/k^2)e^(kx) + C

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