If f(x) = x³ - (1/x³), then f(x) + f(1/x) is equal to ____?
- 0
- 2/x³
- 2x³
- None of these
Explanation
Given f(x) = x³ - (1/x³):
f(1/x) = (1/x)³ - (1/(1/x)³) = (1/x³) - x³
Now, let's calculate f(x) + f(1/x):
f(x) + f(1/x) = (x³ - 1/x³) + (1/x³ - x³)
= x³ - x³ - 1/x³ + 1/x³
= 0
Related MCQs
- x = 2, x = −3
- x = −2, x = 3
- x = 3/2, x = −4
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
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- Factoring the polynomial
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اس سوال کو وضاحت کے ساتھ پڑھیں
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- Associative
- Distributive
- None of these