Math, asked by Anash2510, 9 months ago

_4 _8_12 19 terms slove this question

Answers

Answered by tis00160

0

Answer:

15= ( n - 1 ) x 5

Step-by-step explanation:

an=a+(n-1)d

19=4+(n-1)x4

19-4+(n-1)x4

15=(n-1)x4

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