John Whitaker
Junior Member
- Joined
- May 9, 2006
- Messages
- 89
The problem and book solution is:
2 sqrt 75/16 + 4 sqrt 8/sqrt32
= 2 sqrt 25*3/sqrt 16 + 4 sqrt 4*2/sqrt 16*2
= 2(5 sqrt 3/4) + 4(2 sqrt 2/4 sqrt 2)
= 5 sqrt 3/2 + 2
= 5 sqrt 3/2 + 4/2
… and I don’t know where that 4 (in 4/2) comes from.
= 5 sqrt 3 + 4 /2 (final answer)
Thank you.
John Whitaker
2 sqrt 75/16 + 4 sqrt 8/sqrt32
= 2 sqrt 25*3/sqrt 16 + 4 sqrt 4*2/sqrt 16*2
= 2(5 sqrt 3/4) + 4(2 sqrt 2/4 sqrt 2)
= 5 sqrt 3/2 + 2
= 5 sqrt 3/2 + 4/2
… and I don’t know where that 4 (in 4/2) comes from.
= 5 sqrt 3 + 4 /2 (final answer)
Thank you.
John Whitaker