Tick $(✓)$ the correct answer in each of the following:
$(a + 1) (a - 1) (a^{2} + 1) = ?$
(a) $(a^{4} - 2 a^{2} - 1)$
(b) $(a^{4} - a^{2} - 1)$
(c) $(a^{4} - 1)$
(d) $(a^{4} + 1)$

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Solution

$(a + 1) (a - 1) (a^{2} + 1) = (a^{2} - 1) (a^{2} + 1) = (a^{4} - 1)$

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Similar questions

If X = 1 - a^{2} and Y = 1 - b^{2}, then what is X^{2} + Y^{2} ?

The value of $(a + 1) (a - 1) (a^{2} + 1)$ is $a^{4} - 1$ .

(a + 1) (a - 1) (a^{2} + 1)

a^{4} - 1

a^{4} + \frac{1}{a^{4}} = 322

a^{2} + \frac{1}{a^{2}} .

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