Math, asked by nibha2133, 11 months ago

Write the 20th term of AP whose first term is -81 and common difference is -3

Answers

Answered by shrutimohta0220
1
here's your answer..
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Answered by abhishekb740
1

Given: a = -81

d = -3

To find : a20

By formula,

an=a+(n-1)d

a20=-81+(20-1)-3

= - 81+(19)-3

=-81-57

= - 138

Hence 20th term of A.P is - 138

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