11th term of the A.P -3,-1/2,2,....is
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Answer : 11th term of given AP is 22.
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Given,
First-term 'a' = -3
Common difference 'd' = 5/2
n = 11
To find,
We have to find the eleventh term of the A.P. i.e. a₁₁.
Solution,
The 11th term of the A.P -3,-1/2,2,....is 22.
We can simply find the 11th term of the A.P. by using the formula
an = a+(n-1)d
a₁₁ = -3 +(11-1)5/2
a₁₁ = -3 +(10)5/2
a₁₁ = -3 + 25
a₁₁ = 22
Hence, the 11th term of the A.P -3,-1/2,2,....is 22.
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