A rule that uses the previous two terms builds which sequence?
AOdd number
BFibonacci
CTriangular
DSquares nu
Answer & Solution
Correct answer: B. Fibonacci
1. A recursive rule may look back more than one term.
2. Adding the previous two terms gives 1, 1, 2, 3, 5, 8.
3. That is the Virahanka Fibonacci sequence.
4. So the answer is Fibonacci.
_Source: NCERT Class 9 Mathematics, Ch 8 'Predicting What Comes Next: Exploring Sequences and Progressions'_
Related questions
The first two terms of the Fibonacci sequence are both:An A.P. written in standard form starts with a and then:In G.P. notation, l stands for the:The sum of cubes of the first n natural numbers is one of the:Which special series is studied as a sum to n terms?Besides progressions, the topic covers the relationship between A.M. and:The G.M. of two positive numbers is their geometric:The A.M. of two numbers is their arithmetic: