Find a trial solution for the method of undetermined coefficients. Do not determine the coefficients.
b. 
Mathematics
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Solve the problem.The focal length f of a lens with index of refraction n is 
= (n - 1)
where R1and R2 are the radii of curvature of the front and back surfaces of the lens. Express f as a rational expression.
What will be an ideal response?
Mathematics
Find the volume and surface area of the figure. Use 3.14 as the approximate value of ?. Round your answer to the nearest tenth, if necessary.
A. V = 201 in.3 SA = 1205.8 in.2 B. V = 401.9 in.3 SA = 251.2 in.2 C. V = 803.8 in.3 SA = 502.4 in.2 D. V = 3215.4 in.3 SA = 904.3 in.2
Mathematics
Divide.
÷ 
A. - 1
B. 
C. - 
D. - 34
Mathematics
Specify the domain of the function.f(x) = 
A. All real numbers
B. x > 
C. x ? 10
D. x ? 10
Mathematics