Make a change of variable, x = Py, that transforms the given quadratic form into a quadratic form with no cross-product term. Give P and the new quadratic form.Q(x) = 5
+ 8
+ 4x1x2
A.
P = 
; -9
- 4
B.
P = 
; 9y1 + 4y2
C.
P = 
; 9
+ 4
D.
P = 
; 9
+ 4
Answer: C
Mathematics
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