Thankyou To All Of Those People In Math Forum Who Heped Me In My Time Of Need.
You Have My Eternal Gratitude, I Just Wanna Know How You Guys Do So Good In Math..........is There A Secret??!!!!!!because Even I Do My Homework And I'm Having Trouble Studying For My Grade 12 Geometry Exam!!!!!!
By Pascal's Formula,
So, we have:
.........now expand the last combination using the formula
Now, wasn't that a lot nicer?!