The Fibonacci sequence begins: 1, 1, 2, 3, 5, 8 Calculate the 10th and 20th terms in this sequence. Share with your friends Share 0 Shruti Tyagi answered this Dear student, The Fibonacci Sequence is the series of numbers:0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181The next number is found by adding up the two numbers before it.like F3=F2+F1⇒ F3=1+0=1F4=F3+F2⇒ F4=1+1=2So, The nth term of fibonacci sequence can be given as:Fn=Fn-1+Fn-2Here, F10=F10-1+F10-2F10=F9+F8 F10=21+13 F10=34Similarly, F20=F20-1+F20-2 F20=F19+F18 F20= 2584+4181 F20=6765 Regards 0 View Full Answer
