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In an AP , 2 , 7 , 12 , 17 , .........find a5 and a10

Posted by Manjula K 6 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 6 years, 8 months ago

AP , 2 , 7 , 12 , 17 , .........
a = 2 and d = 7 -2 = 5
a₅ = a + 4d = 2 + 4(5) = 2 + 20 = 22
a₁₀ = a + 9d = 2 + 9(5) = 2 + 45 = 47

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CBSE > Class 10 > Mathematics