Question

which term of the AP 100,90,80,..is zero​

Answer 1

Answer:

11th term of the AP 100,90,80,..is zero.

Step-by-step explanation:

a = 100

a = 100d = -10

a = 100d = -10So, a+(n-1)d = 0

a = 100d = -10So, a+(n-1)d = 0=> 100+(n-1)×(-10) = 0

a = 100d = -10So, a+(n-1)d = 0=> 100+(n-1)×(-10) = 0=> -10×(n-1) = -100

a = 100d = -10So, a+(n-1)d = 0=> 100+(n-1)×(-10) = 0=> -10×(n-1) = -100=> 10n-10 = 100

a = 100d = -10So, a+(n-1)d = 0=> 100+(n-1)×(-10) = 0=> -10×(n-1) = -100=> 10n-10 = 100=> 10n = 110

a = 100d = -10So, a+(n-1)d = 0=> 100+(n-1)×(-10) = 0=> -10×(n-1) = -100=> 10n-10 = 100=> 10n = 110=> n = 11

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Answer 2

Can you tell what are you saying