Math, asked by vengateshragul6791, 1 year ago

find the fourth term from the end of the AP:- -11,-8,-5,.....49

Jaanki: answer's 40

GeniusYH: nope

Jaanki: it's fourth term from the start, not from the end!

GeniusYH: apply your mind

GeniusYH: from. the start -ve numbers will start

Jaanki: the one you answered, i refered to in the above comment

GeniusYH: okay

Jaanki: you haven't evaluated it from end? did you?

Answers

Answered by Sonuaditya

-2 is your answer
Is that right

Answered by GeniusYH

Hello friend,
Here's your answer:

If AP = -11,-8,-5,....
Then the common difference is t2-t1
So d = -8-(-11) = 3

As nth term = a + (n - 1)d
=> 4rth = (-11) + (4 - 1)3
=> 4rth = 9 - 11 = -2

Therefore fourth term in given AP Is -2.

Hopemu answer helps you

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