Determine the minimum value of f(x, y) = x2 - xy + 2y2 + 4 subject to the constraint 
Enter your answer exactly as just a, b where a is the minimum and b is the Lagrange multiplier, using integers or reduced fractions of form 
(no words or units).
Fill in the blank(s) with the appropriate word(s).
39/8, -7/4
Mathematics
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Find the infinite sum accurate to three decimal places.
A. -0.972 B. 0.972 C. 1.036 D. -1.036
Mathematics
Express the set in roster form.{x|x is a natural number less than -4}
A. {. . ., -7, -6, -5} B. {-3, -2, -1,. . .} C. ? D. {-5, -6, -7, . . .}
Mathematics
Establish the identity.
= 
What will be an ideal response?
Mathematics
Write the indicated term of the binomial expansion.(2x + 8)3; 3rd term
A. 768x B. 384x C. 96x2 D. 64
Mathematics