Question

12x²-9x⁴=3
class 11 maths​

Answer 1

Step-by-step explanation:

12x^2-9x^4=3

3x^2(4-3x^2)=3

x^2(4-3x^2)=0

x^2=0. or. (4-3x^2)=0

x=0. or. -3x^2= -4

x^2=4

x=0. or x=+-2