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What is the 43rd term of an arithmetic sequence with a rate of increase of -6 and a11 = 12?-174-176-180-186-240

What is the 43rd term of an arithmetic sequence with a rate of increase of -6 and a11 = 12?-174-176-180-186-240
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What is the 43rd term of an arithmetic sequence with a rate of increase of -6 and a11 = 12?-174-176-180-186-240

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User Vikrant Bhat
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1 Answer

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hello :
an = a1 +(n-1)d ..... d = -6 and a11 = 12
terme general : an = ap +(n-p)d
n= 43 and p = 11 a41 =a11+(43-11)(-6)
a41 = 12 -192 = 180


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User Chad Campbell
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