which term of the ap. 115,110,105-------is 40
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pandupramodh77:
Yes it correct 16 is answer
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a=115. d=-5. an=40. n=?
an=a+(n-1)*d
40=115+(n-1)*-5
40-115=(n-1)*5
-75/-5=(n-1)
15=(n-1)
n=16
so 16th term will be 40
hope it's help you
an=a+(n-1)*d
40=115+(n-1)*-5
40-115=(n-1)*5
-75/-5=(n-1)
15=(n-1)
n=16
so 16th term will be 40
hope it's help you
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