Question

is x^2+1=3 ,a linear equations why or why not ​

Answer 1

Answer:

No it is not a linear eqn. Linear eqn should have a power 1 but here the power is 2.So it is not a linear eqn

Answer 2

For any equation to be linear, highest degree of variable should be 1.

Here highest degree is 2 in x^2. Hence its not linear.