A.P का प्रथम पद 2 तथा 10 वां पद 47 है इस A.P का साव अंतर ज्ञात करो
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Answer:
d = - 49/9
Step-by-step explanation:
= + (n - 1)d
= + 9d
- 47 = 2 + 9d
9d = - 49
d = -
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