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ICSE /Class 9
Maths MCQ Based On Arithmatic progression
Our free online Maths test quiz for Class 9, ICSE will assist you to improve your Maths skills on every concept in a fun interactive way.
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ICSE Class 9 Maths Arithmatic progression
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tn = a + (n - 1)d a = 1 d = \\({1 \\over 4}\\)
a+14d
a+(n-1)d
tn = a + (n - 1)d a = \\( \\sqrt{3} \\)
A sequence is an ordered list of numbers. This list can have a finite number of terms or infinitely many terms. A series is the sum of a sequence of numbers.The nth partial sum (Sn) of a series is the sum of its first n terms.
3a+18d
nth term = 2n + 5 1st term = 2(1) +5
T20 = a + (n-1)d a = \\({1 \\over 2}\\) d = T1 - T2 = \\({1 \\over 2}\\)
tn = a + (n - 1)d a = \\( {1 \\over n}\\)
T50 = a + (n - 1)d a = \\(\\sqrt{3}\\), d = \\(\\sqrt{3}\\)
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