Add or Subtract $( 7 + \sqrt { - 2 } ) + ( 5 - \sqrt { - 72 } )$

question 206

Multiple Choice

Add or subtract.
- $( 7 + \sqrt { - 2 } ) + ( 5 - \sqrt { - 72 } )$

• A) \(12 - 5 \mathrm { i } \sqrt { 2 }\)
• B) \(12 + 5 \sqrt { 2 }\)
• C) \(12 - 5 \sqrt { 2 }\)
• D) \(12 + 5 \mathrm { i } \sqrt { 2 }\)

---

Definitions:

Placebo Effect

The phenomenon where patients experience a real improvement in their condition after being given a treatment that has no therapeutic effect, often due to their belief in the treatment's efficacy.

Overdose

The ingestion or absorption of a substance in quantities greater than are recommended or generally practiced, leading to a toxic state or death.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, elicits a conditioned response in classical conditioning.

Unconditioned Stimulus

A stimulus that instinctively elicits a response without any prerequisite learning.