Perform the Indicated Operations $$\left( 2 x ^ { 7 } + 8 x ^ { 9 } - 5 + 2 x ^ { 8 } \right) - \left( 6 + 8 x ^ { 8 } + 3 x ^ { 9 } - 9 x ^ { 7 } \right)$$

question 16

Multiple Choice

Perform the indicated operations.
- $$\left( 2 x ^ { 7 } + 8 x ^ { 9 } - 5 + 2 x ^ { 8 } \right) - \left( 6 + 8 x ^ { 8 } + 3 x ^ { 9 } - 9 x ^ { 7 } \right)$$

• A) \(x ^ { 9 } - 6 x ^ { 8 } + 11 x ^ { 7 } - 11\)
• B) \(x ^ { 9 } + 10 x ^ { 8 } - 7 x ^ { 7 } + 1\)
• C) \(11 x ^ { 9 } + 10 x ^ { 8 } - 7 x ^ { 7 } + 1\)
• D) \(11 x ^ { 9 } + 10 x ^ { 8 } - 7 x ^ { 7 } - 11\)

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Definitions:

DEPT-90

A nuclear magnetic resonance (NMR) technique that distinguishes between CH and CH3 groups in a molecule.

DEPT-135

An NMR spectroscopy technique that distinguishes between carbon atoms attached to hydrogen atoms, depending on the number of hydrogen atoms (CH, CH2, or CH3).

Quaternary

Referring to carbon atoms bonded to four different groups, especially relevant in organic chemistry when discussing carbon structure and stereochemistry.

Bootstrap Distribution

A distribution obtained by repeatedly sampling, with replacement, from a sample dataset to estimate the shape of the population distribution.