Find the limit. - x

A. 0
B. 6
C. 12
D. ?


Answer: B

Mathematics

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Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 

What will be an ideal response?

Mathematics

Find first four terms of the indicated expansion by use of the binomial series.(1 + x)-1/2

A. 1 + x + x2 + x3 + . . .
B. 1 + x - x2 + x3 - . . .
C. 1 - x + x2 - x3 + . . .
D. 1 - x + x2 - x3 + . . .

Mathematics

Solve the system of equations by the addition method.

A.
B. infinite number of solutions
C. no solution
D.

Mathematics

Find the center of the ellipse. +  = 1

A. (0, 4) B. (5, 0) C. (0, 0) D. (5, 4)

Mathematics