Math, asked by itsmepl, 3 days ago

can anyone know about ak+1 and ak in AP plz explain how to find

Answers

Answered by ishpaagupta

1

an=a+ndak=a+kd

an−ak=(n−k)d

(i) 5=a+11d79=a+13d

Solving above 2 equations

74=2d⇒d=37

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