Question

Find the eleventh term from the last term of the AP 27,23,19...-65.

Answer 1

A = - 65 d = 4
A11 = a + 10d
-65+10*4
-25 is the 11th term from last
Hope it help you

Answer 2

A.P 27,23,19,.....-65.
the new A.P -65,-61....27

a= -65
d= -61+65=4
n= 11
an =?

an = a +(n-1)d
an = -65 +(11 -1)4
an = -65 + (10) 4
an = -65 +40
an = -25

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