Question

$\sqrt{8 + 2 \sqrt{15} }$
8 +2/15​

Answer 1

Answer:

(√3 + √5)

Step-by-step explanation:

First convert the question in (a+b)²= a²+b²+2ab

So √(8+2√15)

=√((√3)²+(√5)²+2(√3)(√5))

=√((√3 + √5)²)

=(√3+√5)

Answer 2

Answer:

10.5743

8.1333

Step-by-step explanation:

$\sqrt{8+7.7459$=10.5743

8+2/15=8.1333