what is $sqrt3{-343}$?
what is $sqrt3{-343}$?
Answer
Explanation:
Step1: Recall cube root definition
We need $x$ where $x^3 = -343$
Step2: Find integer cube match
Note $7^3 = 7 \times 7 \times 7 = 343$, so $(-7)^3 = (-7) \times (-7) \times (-7) = -343$
Answer:
$-7$