the product of first 2 terms of the sequence with common difference 6 is 135 find the first term
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Answer:
a = 9
Step-by-step explanation:
let a be the first term
and the d =6
A1 = a
A2 = a+ d; a+6
` A1 × A2 = 135
so, (a) (a+6) = 135
a^2 + 6a - 135 = 0
(a + 15) (a - 9) = 0
so ,a = 9
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