Explain in one or two sentences why can be obtained simply by substituting .

MATHEMATICS · Subjective · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

Explain in one or two sentences why lim⁡x→−1(4x3+5)\displaystyle \lim_{x\to -1}\bigl(4x^3+5\bigr) can be obtained simply by substituting x=−1x=-1.

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