Mathematics · Binomial Theorem

If (1 - x + x2)n = a0 + a1x + a2x2 + ... + a2nx2n, then (a0 + a2 + a4 + ... + a2n) is equal to:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

13n - 12
23n + 12✓
33n + 22
43n - 22

Correct answer

3n + 12

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If (1 - x + x2)n = a0 + a1x + a2x2 + ... + a2nx2n, then (a0 + a2 + a4 + ... + a2n) is equal to:

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If (1 - x + x2)n = a0 + a1x + a2x2 + ... + a2nx2n, then (a0 + a2 + a4 + ... + a2n) is equal to:

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