1) Sum of edges of mother and her daughter is 55 and diffrent between ther ages is 25 find there ages.

Simplify the following i) \( \frac{x+5+\frac{4}{x}}{\frac{1-7}{x}+\frac{12}{x^{2}}} \) ii) \( \frac{x+5+\frac{4}{x}}{1-\frac{7}{x}+\frac{12}{x^{2}}} \)

Solve: \( \frac{3}{4}(5 x-4)=\frac{1}{2}(4 x+3) \)

Simplify the following. i) \( \frac{x+5+\frac{4}{x}}{\frac{1-7}{x}+\frac{12}{x^{2}}} \) ii) \( \frac{x+5+\frac{4}{x}}{1-\frac{7}{x}+\frac{12}{x^{2}}} \)

55 Indica quale polinomio è omogeneo. \( \square 5 x^{3} y-6 x^{2} y^{2}+x y^{3}+8 \) \( \square x^{3}+2 x^{2} y-4 x y^{2}-y^{3} \) \( \square 3 a^{4} b-a^{5}+7 a^{2} b^{2}-4 a^{3} b^{2} \) \( \square a x^{4}+10 a^{2} x^{3}-2 a^{3} x^{2}+\frac{1}{2} a^{4} \)

If \( h(x) = 2^{x-3} + 1 \), determine the expression for its inverse.