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Solve the simultaneous equations: x2 + y2 = 20, 3x=2-y
x = -4/5 or 2
y = 22/5 or -4
IA
Answered by
Ishtiaq A.
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Help! How do I solve quadratic equations?
S is a geometric sequence. a) Given that (√x - 1), 1, and (√x + 1) are the first three terms of S, find the value of x. b) Show that the 5th term of S is 7 + 5√2
4x+2y=22, (y/2)+(x/4)=2.5
What does it mean to "complete the square"?
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