
<u>Given expression is </u>

can be rewritten as

We know,

And

So, using this identity, we


can be further rewritten as





<u>Hence, </u>

Answer:
ur down 24 pts.
Step-by-step explanation:
3×8=24
...............
Put this in your calculator or use pictures if you'd like. (3/4) x 12 and you'll get 9
You just simplify the fraction (so, 8/6 which is 4/3)
So your comes 4(square root of 35)/ 3 (square root of 15)
Speed =wavelength x frequency
= 2x1.5 = 3m/s