a: ĐKXĐ: \(x\ge\dfrac{3}{2}\)
c: ĐKXĐ: \(x< -\dfrac{5}{3}\)
d: ĐKXĐ: \(x\in R\)
e: ĐKXĐ: \(x< -\dfrac{1}{2}\)
f: ĐKXĐ: \(x\ne-1\)
g: ĐKXĐ: \(x\in R\)
h: ĐKXĐ: \(x>-\dfrac{1}{2}\)
b: ĐKXĐ: \(\left\{{}\begin{matrix}x\le\dfrac{2}{5}\\x\ne0\end{matrix}\right.\)