Maths / Arithmetic Progression / General Term Of an AP

QUESTION
 

Find the general term of an AP 11,15,19,.....

 

OPTIONS
A. 

3n-7

B. 


3n+7

C. 


4n-7

D. 

4n+7

Right Option : D

EXPLANATION
Explain TypeExplanation Content
Text

a=11, d= 4

large a_n=a+(n-1)d

large a_n= 11+(n-1)4= 11+4n-4=4n+7

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