The (r + 1)st term of the expression (a + b)n, 0 ? r ? n, is given by 
an - rbr. Find the specified term.The 10th term of (4x - 2y)13.
A. 46,858,240x9y4
B. -93,716,480x4y9
C. -23,429,120x9y4
D. 46,858,240x4y10
Answer: B
Mathematics
You might also like to view...
Give the center and radius of the circle. Then sketch its graph.(x + 4)2 + (y - 2)2 = 16
A. center (- 4, - 2), r = 4
B. center (4, 2), r = 4
C. center (- 4, 2), r = 4
D. center (4, - 2), r = 4
Mathematics
Solve.
= -1
A. -1 B. 1 C. 2 D. No solution
Mathematics
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets. 8x - 3y = 3-16x + 6y = -9
A. 
B. {(2, 3)}
C. {(x, y)| 8x - 3y = 3}
D. ?
Mathematics
Solve the equation.7 ln 7x = 28
A. 
B. 
C. {e4}
D. 
Mathematics