Rút gọn biểu thức
\(\begin{array}{l}a)\,\,\left( {5\sqrt {48} + 4\sqrt {27} - 2\sqrt {12} } \right):\sqrt 3 \\b)\,\,\left( {\sqrt {{a^2} - {b^2}} + \sqrt {\left( {a + b} \right).b} } \right):\sqrt {a + b} \,\,\,\left( {a > b > 0} \right).\end{array}\)
A.(begin{array}{l}a),,sqrt{3}\b),,sqrt {a - b} + sqrt b end{array})
B.(begin{array}{l}a),,28\b),,sqrt {a - b} + sqrt b end{array})
C.(begin{array}{l}a),,28\b),,sqrt {a + b} + sqrt b end{array})
D.(begin{array}{l}a),,3sqrt{3}\b),,sqrt {a - b} + sqrt b end{array})
\(\begin{array}{l}a)\,\,\left( {5\sqrt {48} + 4\sqrt {27} - 2\sqrt {12} } \right):\sqrt 3 \\b)\,\,\left( {\sqrt {{a^2} - {b^2}} + \sqrt {\left( {a + b} \right).b} } \right):\sqrt {a + b} \,\,\,\left( {a > b > 0} \right).\end{array}\)
A.(begin{array}{l}a),,sqrt{3}\b),,sqrt {a - b} + sqrt b end{array})
B.(begin{array}{l}a),,28\b),,sqrt {a - b} + sqrt b end{array})
C.(begin{array}{l}a),,28\b),,sqrt {a + b} + sqrt b end{array})
D.(begin{array}{l}a),,3sqrt{3}\b),,sqrt {a - b} + sqrt b end{array})
Loga
Hóa Học lớp 12
