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1.2x^2 + 3y^2 =6) x 3
(3x^2 + 2y^2 =6) x 2 multiplying both sides of equations 1 and 2
6x^2 + 9y^2 = 18
6x^2 + 4y^2 = 12
Subtracting equation 3 -4,
0 + 5y^2 = 6
Y^2 = 6/5
Y= / 6/5 square root
2x^2 + 2×6/5 = 6
4x^2+12 / 5 = 6
4x^2 +12 = 30
4x^2 = 18
X^2 = 18/4
X =root 18/4 ~ root 18 /2;
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