Question

please answer fast ASAP​

Answer 1

Answer:

a = 12

Step-by-step explanation:

${19}^{ \frac{1}{2} } + 2 \times {3}^{ \frac{1}{2} } = \sqrt{19} + \sqrt{a}$

$\sqrt{19} + \sqrt{a } = {19}^{ \frac{1}{2} } + 2 \times {3}^{ \frac{1}{2} }$

$\sqrt{a} = \sqrt{19} - \sqrt{19} + 2 \sqrt{3}$

$\sqrt{a} = 2 \sqrt{3}$

$a = 12$