We can use the fact that, for ,
Notice that
so that
By the ratio test, this series converges if
so the series has radius of convergence .
X = 29
Explanation:
Rigt angle means 90°
Here 2x + 32 = 90
so, 2x = 90 - 32
2x = 58
x = 58÷2
x = 29
x² + 18 = (x - 3√2i)(x + 3√2i)
Answer:
-6 is less than -5
Step-by-step explanation:
any negative number is always lower than a positive number