The curve y = 1 / (1 + x²) is symmetrical about:

Type: MCQ • Marks: 1

A. The x-axis

B. The line x=y

C. The origin

D. The y-axis (even function)

Explanation

f(-x) = 1 / (1 + (-x)²) = 1 / (1 + x²) = f(x), symmetric about y-axis.

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UP TGT Mathematics

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