Maths / Arithmetic Progression / Find The Value of Nth Term when Common Difference, Number of Terms and First Term are Given

QUESTION
 

If the first term of an AP is -3 and the common difference is 2, what is its 10th term

EXPLANATION
Explain TypeExplanation Content
Text

large a_n= a+(n-1)d

a= -3, d=2 and n= 10

large a_{10}= (-3)+(10-1)2

large a_{10}= -3+(9)2 = -3+ 18= 15

 

 

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