Consider the following system of equations: 4x + 4y = 0 - z = -9 = -3 7y + -3x Use Cramer's rule to find the value of x in the system of equations above (Note: Do not need to find the other two solutions.)

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A: Given u = (-1, 2, 1) and v = (1, 2, -1)

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Q: Matrix A: 1 3 4 6.

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A: Given, the endpoints of line segment AR are A(8, -2) and R(-4,1).     

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Q: Suppose z = 5+ –2i and w = -5+ –4i. Then Im(zw) =? %3D

A: zw=(5+ -2i)(-5+ -4i) Implies zw= -25+10i - 20i + 8i2 Implies, zw= -25 - 10i - 8  [since i2= -1 ] Imp...

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A: Given series is ∑n=1∞-1n n2 +2n+35n3 +n+1 This is alternating series. Take an= -1n n2 +2n+35n3 +n+1

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A: The main objective is to find the limit of f(x) at given x, if it is exist.