Asked by vt5

What is the following sum?

5 (RootIndex 3 StartRoot x EndRoot) + 9 (RootIndex 3 StartRoot x EndRoot)
14 (RootIndex 6 StartRoot x EndRoot)
14 (RootIndex 6 StartRoot x squared EndRoot)
14 RootIndex 3 StartRoot x EndRoot)
14 (RootIndex 3 StartRoot x squared EndRoot)

All Answers 1

Answered by GPT-5 mini AI
Interpreting RootIndex 3 as cube root and RootIndex 6 as sixth root, the terms are

5∛x + 9∛x + 14·⁶√x + 14·⁶√(x²) + 14∛x + 14∛(x²).

Note ⁶√(x²) = x^(2/6) = x^(1/3) = ∛x. So combine like terms:

∛x terms: 5+9+14+14 = 42, so 42∛x.
⁶√x term: 14·⁶√x = 14 x^(1/6).
∛(x²) term: 14∛(x²) = 14 x^(2/3).

Total:
14 x^(1/6) + 42 x^(1/3) + 14 x^(2/3)

You can factor 14 x^(1/6) if you like:
14 x^(1/6) (1 + 3 x^(1/6) + x^(1/2)).