Question

СРОЧНО

(a+$frac{1}{2}$+2)·[texfrac{1}{a+1} [/tex]=

Answer 1

$(a+ frac{1}{2} + 2) * frac{1}{a+1} = (a + frac{5}{2}) * frac{1}{a+1} = frac{a}{a+1} + frac{5a}{2a+2} = frac{2a+5a}{2a+2} = frac{7a}{2a+2}$