Function integrate_rational_function_expr 

pub fn integrate_rational_function_expr(
    expr: &Expr,
    x: &str,
) -> Result<Expr, String>

Integrates a rational function represented as a symbolic expression.

This function converts the expression into a polynomial ratio and then applies rational integration techniques.

Arguments

• expr - The rational expression to integrate.
• x - The variable of integration.

Returns

A Result containing the symbolic integral.

Errors

This function will return an error if integrate_rational_function encounters an error during the integration process.