I^2=-1, x ve y gerçel sayılar olmak üzere x^2 - y^2 - 17(1 + i) = (x + y)i

olduğuna göre, 3x - y kaçtır?

A)-17
B) 12
C) 16
D) -5
E) -19​

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are

44

step-by-step explanation:

the

answer: answer is b.

[m < b = 120º]

step-by-step explanation: