Question

Find 17th term of the series(A.p.) 20,18,16,14..............

Answer 1

Answer:

a17 = -12

Explanation:

AP : a1 , a2 , a3 ...... an

Common Difference (d) = a2 - a1

an = a + (n - 1)d

Here ,

AP : 20 , 18 , 16 , 14 ....

Common Difference (d) = a2 - a1

Common Difference (d) = 18 - 20

Common Difference (d) = -2

an = a + (n - 1)d

a17 = 20 + (17 - 1) -2

a17 = 20 + ( 16 X -2)

a17 = 20 + (-32)

a17 = 20 - 32

a17 = -12

HOPE IT HELPS YOU !

THANKS !

Answer 2

Answer:

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