Show that the orthogonal transformation (change of origin) affects
only the first degree terms in an equation of the second degree.
Answers
SOLUTION
TO PROVE
The orthogonal transformation (change of origin) affects only the first degree terms in an equation of the second degree.
EVALUATION
Let us consider a second degree equation
Let the origin be shifted to (α , β) then
x = x' + α and y = y' + β
So the given expression becomes
Where
Thus we see that the coefficients of x² , y² , xy i.e a , b , h remain invariant due to translation ( change of origin )
Hence the orthogonal transformation (change of origin) affects only the first degree terms in an equation of the second degree.
Hence proved
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