Question

if last term of an A.P is 225 and the first term is 10 and if d is 5 then n will be please answer this question seriously its urgent ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

44

Step-by-step explanation:

a+(n-1)d=AP

10+(n-1)5=225

5n-5=215

5n=220

n=44

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