Question

airithmetic progression 10​

Answer 1

GIVEN: a =11

We know,

d =-3

Now let An=-150

We know'

An=a + (n - 1)d

-150=11 + (n - 1 )(-3)

-150-11= (n - 1)(-3)

-161/-3= n - 1

53.66 = n - 1

54.66 = n

HENCE , -150 is not the term of this A.P

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