by the general formula ,a+(n-1)*d
* * * * *
That assumes that it is an arithmetic sequence. The sequence cound by geometric ( t(n) = a*rn ) or power ( t(n) = n2 ) or something else.
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my nth term maths is very tuff because its syallabus is changed
You don't.
The nth term is 7n-3 and so the next term will be 39
The given sequence is decreasing by 2 each time, so the pattern is -2. To find the nth term, we can use the formula for the nth term of an arithmetic sequence: (a_n = a_1 + (n-1)d), where (a_n) is the nth term, (a_1) is the first term, (n) is the term number, and (d) is the common difference. In this case, the first term (a_1 = 11), the common difference (d = -2), and we want to find the nth term. So, the nth term formula becomes (a_n = 11 + (n-1)(-2) = 13 - 2n).
It is not possible to determine an nth term from a single number.