Find the 10th term of an A. P 23,21,19....5

1.	Find the 10th term of an A. P 23,21,19....5
Answer» An=a+(n-1)×dA10=23+(10-1)-2A10=23+9×-2A10=23-18A10=5 5 5 A=23D=-2An = a+(n-1)dA10=23+(10-1)-2 =23+(9)-2 =23-18 =510 th term is 5 5

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