ICSE Class 10 - General Term of an A.P. Videos

• the 4that and 10nth terms of A.P are 13 and 25 respectively find it s first term , common difference and 17nth term
• An AP 5,12,19,...has 50 terms.find its last term  
• The sum of the first six terms of an A.P is 42. The ration of the 10th and 30th term is 1:3. Find the first and 13th term.
• FIND THE SUM OF ALL  ODD NO. LESS THAT 50 AND FIRST 12 NATURAL NUMBERS EACH OF WHICH IS A MULTIPAL OF 7  
• Find the number of terms: 5 2 -1 ......-49
• Determine the A.P., whose fifth term is 16 and the difference of the eighth term from the thirteenth term is 20.
• 10the term of the sequence tn=2n-5
• The first term of two A.P.s are equal and the ratios of their common differences is 1:2 If the 7th term of first A.P and 21th term of second A.P are 23 and 125 respectively. Find two A.P.s
• How to find nth term of an arithematic sequences
• Can 2n² -7 be the n th term of an A.P.?Explain.

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