anonymous one year ago If log base a 5=x and log base a 7=y, then log base a sqrt of 1.4=?

1. anonymous

2. IrishBoy123

play with these, especially 2 & 3 |dw:1443821284497:dw|

3. IrishBoy123

and note that $$1.4 = \dfrac{7}{5}$$ so $$\sqrt{1.4} = 1.4^{\frac{1}{2}} = (\dfrac{7}{5})^{\frac{1}{2}}$$ that's all you need

4. anonymous

oh that makes sense now. thanks!

5. IrishBoy123

cool :p