<span>It is symmetric to X,Y-Axis</span>
Answer: Exact form 6
√
2
Decimal Form 8.48528137
Step-by-step explanation:
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Step-by-step explanation:

Count how many of the same number, since you have four 8's the exponent will be

same applies for 3
Answer:
Step-by-step explanation:
A=2i+3j+4k
B=i-2j+3k
Sum of the vectors:
A + B = 2i+3j+4k + i-2j+3k = 3i + j + 7k
Direction of the sum of the vectors:

Answer:
13
Step-by-step explanation:
25 - 12 = 13