4d (d + 5)
4d2+16 4(d2+4)
That's 4d2 .
20d
Yes, you can. Any EF and EF-S lens will work on 20D.
1234 = 4d2
no
You cannot record video/sound with Canon EOS 20D. It takes only photos with RAW/jpg output format.
If you mean: 3d2+20d+12 then it is (3d+2)(d+6) when factored with the help of the quadratic equation formula
(2d-7)2
The noble gas configuration for zirconium (Zr - atomic weight 40) is based on krypton: [Kr] 4d2 5s2 The full electronic configuration is : 1s2 2s2 2p6 3s2 3p6 3d104s2 4p6 4d2 5s2
20ºC = 68.0ºF
It is: 5d(4) = 20d