हिंदी

If f(x) = x3-1x3, then f(x)+f(1x) is equal to ______. - Mathematics

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प्रश्न

If f(x) = `x^3 - 1/x^3`, then `f(x) + f(1/x)` is equal to ______.

विकल्प

  • 2x3

  • `2 1/x^3`

  • 0

  • 1

MCQ
रिक्त स्थान भरें
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उत्तर

If f(x) = `x^3 - 1/x^3`, then `"f"(x) + f(1/x)` is equal to 0.

Explanation:

Since f(x) = `x^3 - 1/x^3`

`f(1/x) = 1/x^3 - 1/(1/x^3)`

= `1/x^3 - x^3`

Hence, `f(x) + f(1/x) = x^3 - 1/x^3 + 1/x^3 - x^3`

= 0

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अध्याय 2: Relations and Functions - Solved Examples [पृष्ठ २७]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 11
अध्याय 2 Relations and Functions
Solved Examples | Q 12 | पृष्ठ २७
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