If the 8th term of an ap is 31
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If 8th term of an ap is 31 and 15th term is 16 more than 11th term find ap
Asked by admin @ in Math viewed by 312 People
If 8th term of an ap is 31 and 15th term is 16 more than 11th term find ap
Answered by admin @
Answer:
Required A.P: 3,7,11,15,...
Step-by-step explanation:
Let a and d are first term and common difference of an A.P.
According to the problem given, we get
/* Substitute d = 4 in equation (1), we get
Now, Required A.P:
a,a+d,a+2d,a+3d,....,
3,3+4,3+8,3+12,...,
3,7,11,15,...
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