Question

Найдите область определения функции y=2/корень4х-1

Answer 1

$y=frac{2}{sqrt{4x-1}}\\OOF:; ; ; 4x-1 textgreater 0\\4x textgreater 1\\x textgreater frac{1}{4}\\xin (frac{1}{4}; ,; +infty )$