Multiply and simplify.(10
+ 9
)(7
+ 8
)
A. 206 + 143
B. 70
+ 72
C. 70
+ 72
+ 143
D. 494 + 143
Answer: D
Mathematics
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Find R2.
VR = 12 V, R1 = 7 Kê, R3 = 3 Kê, and I1 = 15 mA.
2
a. 1.09 Kê
b. 3.00 Kê
c. 4.61 Kê
d. 5.36 Kê
e. 7.00 Kê
Mathematics
Find the indefinite integral.
?
?
Hint: First, make the substitution 
; then, integrate by parts.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics
Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. No inverse
Mathematics