3 Group 16     back   next question   back to list

Question 1. If cosα=-22,   α∈(0,π),   then sin2α   is equal to
a) 0  
b) -22  
c) 12  
d) -1  
e) 22  
Question 2. Determine limn→∞1-2n+1000n2n(1-2n2).  
a) 0  
b) +∞  
c) -12  
d) -2  
e) -∞  
Question 3. The maximal domain of definition of the function f(x)=log(|x|-1)   is
a) ℝ-{-2,-1,1,2}  
b) (-1,1)  
c) (-∞,-1)∪(1,∞)  
d) ⟨-2,2⟩  
e) (-∞,-2⟩∪⟨2,∞)  
Question 4. Compute limx→+∞arcsin3x4x+1.  
a) π2  
b) 1  
c) 0  
d) π6  
e) π3  

Evaluate