Question

simplify [7(81) raised to 1/4 + (256) raised to 1/4] whole raised to 1/2

Answer 1

$\sqrt{} (7 \sqrt[4]{81} + \sqrt[4]{256} ) \\ = \sqrt{ (7 \times 3) + 4} \\ = \sqrt{21 + 4} \\ = \sqrt{25 } \\ = 5 |$