\( \sum_{r=0}^{22}{ }^{22} C{ }_{r} \times{ }^{23} C r=? \)
Channel:
Subscribers:
443,000
Published on ● Video Link: https://www.youtube.com/watch?v=4hvVALeqdtY
\( \sum_{r=0}^{22}{ }^{22} C{ }_{r} \times{ }^{23} C r=? \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live