Question

If $k + 4 = \sqrt[]{4+\sqrt{4-\sqrt{4+\sqrt{4-...} } } }$, then the value of$2k + 8$ is equal to _______.

Answer 1

Step-by-step explanation:

k+4 = {√4+√4−√4+√4−...}

2(k+4) = 2{√4+√4−√4+√4−...}

2k+8 = 2{√4+√4−√4+√4−...}