Predicting What Comes Next : Exploring Sequences and Progressions — Flashcards
CBSE · Class 9 · Mathematics
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अनुक्रम क्या होता है?
Answer
अनुक्रम संख्याओं की एक क्रमबद्ध सूची होता है, जिसमें प्रत्येक संख्या को अनुक्रम का एक पद कहा जाता है। क्रम महत्वपूर्ण होता है, इसलिए 1, 3, 5, 5, 3, 1 से अलग है।…
What is a sequence?
Answer
A sequence is an ordered list of numbers where each number is called a term of the sequence. The order matters, so 1, 3, 5 is different from 5, 3, 1.
Are sequences always finite?
Answer
No. Sequences may be finite or infinite. A finite sequence has a limited number of terms, such as 6, 12, 24, 48, 96. An infinite sequence continues without end, such as 1, 2, 3, 4, 5, 6, ...
क्या अनुक्रम हमेशा सीमित होते हैं?
Answer
नहीं। अनुक्रम सीमित या असीमित हो सकते हैं। एक सीमित अनुक्रम में पदों की संख्या सीमित होती है, जैसे 6, 12, 24, 48, 96। एक असीमित अनुक्रम बिना अंत के चलता रहता है, जैसे 1, 2, 3, 4, 5, 6, ...
t_n संकेत का क्या अर्थ है?
Answer
t_n का मतलब अनुक्रम का nth पद है। यहाँ, n पद का क्रमांक है। पद का मान कोई भी वास्तविक संख्या हो सकता है, लेकिन n हमेशा एक गैर-ऋणात्मक पूर्णांक होता है।…
What does the notation t_n mean?
Answer
t_n means the nth term of a sequence. Here, n is the position number of the term. The value of the term can be any real number, but n is always a non-negative integer.
What is an explicit formula for a sequence?
Answer
An explicit formula uses the term's position number n to calculate the value directly. It does not need earlier terms. Example: u_n = 2n - 1 gives the odd numbers directly.
अनुक्रम के लिए स्पष्ट सूत्र क्या होता है?
Answer
एक स्पष्ट सूत्र पद के क्रमांक n का उपयोग करके मान को सीधे निकालता है। इसमें पहले के पदों की आवश्यकता नहीं होती। उदाहरण: u_n = 2n - 1 विषम संख्याएँ सीधे देता है।…
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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