Question

Simplify :(1/2)√486-√(27/2)

Answer 1

Answer:

3√6/2

Step-by-step explanation:

1/2√486 -√(27/2)

9/2√6- 3√(6/2)

3[3√6/2-√(6/2)]

3[(6√3-2√3)/2√2]

3[√(3/2)]

3√6/2

Answer 2

1/2×under root 486 - under root 27 divided by under root 2

=1/2× under root 486 under root 27 divided by under root 2 × under root 2/under root 2

=1/2×under root 2×243 -under root 54 / 2

=1/2 × under root 2×3×81-under root 9×6/2

= 9/2×under root 6 -3 underroot 6

=6 under root 6 /2

=3under root 6