Find the values of x for which the expression is a real number.
A.
B. ?
C.
D. ?
Answer: D
Mathematics
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Multiply. Write your answer in the form a + bi.(5 + 8i)(8 + 8i)
A. -24 - 104i B. 64i2 + 104i + 40 C. 104 + 24i D. -24 + 104i
Mathematics
Evaluate the expression.-3
A. - 27
B.
C. -
D. 27
Mathematics
Determine whether the pair of fractions is equivalent. and
A. equivalent B. not equivalent
Mathematics
Express the sum using summation notation. +
+
+ ... +
A.
B.
C.
D.
Mathematics