Provide an appropriate response.Factor completely: 9x2 - y2
Fill in the blank(s) with the appropriate word(s).
(3x - y)(3x + y)
Mathematics
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Solve the problem.Find the sum of the infinite series 1 + 2r + 5r2 + 2r3 + r4 + 2r5 + 5r6 + 2a7 + r8 ... for those values of r for which it converges.
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the given line.
A. y = 1 B. y = -1 C. x = -1 D. x = 1
Mathematics
For y = 
Differentiate.
Mathematics
Verify the identity.(1 - cos x)(1 + cos x) = sin2 x
What will be an ideal response?
Mathematics