Make the change of variables x=costheta−sintheta y=sintheta+costheta where the angle 0≤theta</2 is chosen in order to eliminate the cross product term in x2+xy+y2=6 Then find the standard form of equation in the (,) variables. (Enter a function of (,).)

i pretty sure it is

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

7.3

step-by-step explanation:

an

y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )