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like fibonacci sequence number 21?

@Qeru pls help, I have one more question above

Thankyou very much Qeru, How about if it was in 2 dimensions, so like if a person could go 1 or 2 steps, and they had to go forward 10 steps, then right 10 steps

BRUH

Could this be done combinatorically (not using fibonacci)

Hi, thanks for replying. How did you get 55?

Jessica is about to walk a flight 10 stairs. She can take either one or two stairs at a time. How many different ways can she walk up the flight of stairs? The answer is 89, just not sure how

How did you get this answer?, the only way i can think off getting this is by listing out all the options for S behind H. I am super confused rn

That is so correct, as i do the questions, i can see that there is very little change, although, how do i counter the proof questions, those tend to be harder

Would an example being using tree diagram instead of multiplication and addition principal

Thats true, as i do alot of questions i see that there are alot of variation

I am about to start this topic, so i was wondering if there was any tips, tricks, or anything in general to lookout for

THANKS ALOT FOR THE HELP I WAS STUCK ON THIS QUESTIONS OMG!!

Thanks for the answer, i think i understand how to solve this but the book says answer is 12

How many ways can you make change for 50 cents using 5, 10 and 20 cent pieces

Ahhh, interesting approach, i understand now

Just understood it, THANKS

Please help me with this question, i have tried to consider that the two gradients are XY and XZ, because when multiplied it should give -1, but λ cancels when doing so