Find the least common multiple (LCM) of the pair of numbers.10 and 13
A. 10
B. 23
C. 130
D. 13
Answer: C
Mathematics
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Find the derivative.y = x9
A. 9x8 B. 8x9 C. 8x8 D. 9x9
Mathematics
Use L'Hospital's rule to find the limit.
A. 0 B. ? C. 1 D. -?
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 
+ 4i
A. 
= 
- 4i, z
= -3
B. 
= 
- 4i, z
= 29
C. 
= 
- 4i, z
= 42
D. 
= 
- 4i, z
= 3
Mathematics
Evaluate the expression.
A. 242 B. 98 C. 154 D. 146 E. 182
Mathematics