Express √50 in terms of p

👨🏻‍🏫 學術台數學

2007-08-26 3:01 am

Let p=√2 and q=√5
(√ means root)

1.Express √50 in terms of p.
2.Express √20+√80 in terms of q.

THX~

回答 (1)

2007-08-26 3:05 am

✔ 最佳答案

1. √50
=√(25X2)
=5√2
=5p
2. √20+√80
=√(4X5)+√(4X4X5)
=2q+4q
=6q

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