Question

find the 20th and 10th term of AP 95,90,85,80


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Answer 1

Answer:

Here in the given A.P.

» a = 95 & d = - 5

t20 = a + 19d

= 95 + 19 (-5)

= 95 - 95 = 0

t10 = a + 9d

= 95 + 9 (-5)

= 95 - 45 = 50

Answer 2

Answer:

Step-by-step explanation:

a=95

d= -5

t10=a+(n-1)d

     95+(10-1)*-5

     95-45

     =50

similarly: t20= 0