Answer:
509.380
Step-by-step explanation:
According to Pythagoras,
(19.3)^2 + (11.7)^2 = 509.380
Answer:
1) 5 * 18
Step-by-step explanation:
Because 6*3 = 18
5*6*3 = 5*18
Answer:
The sequence diverges.
Step-by-step explanation:
A sequence
converges when
is a real number.
In this question, the sequence given is:

The cosine is always going to be between -1 and 1, so for the convergence of the sequence, we look it as:
. So

Since the limit is not a real number, the sequence diverges.
Answer:
8x+4
Step-by-step explanation:
4(2x+1)=8x+4