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Take a cubic polynomial f. f(1)=1 f(2)=2 f(3)=3 f(4)=5 find f(6) please give the solution.

Take a cubic polynomial f.
f(1)=1
f(2)=2
f(3)=3
f(4)=5
find f(6)
please give the solution.

Grade:11

1 Answers

bharat bajaj IIT Delhi
askIITians Faculty 122 Points
10 years ago
Take the general cubic equation :
f(x) = ax^3 + bx^2 + cx + d
take f(1), f(2), f(3) and f(4). You will get four equations and you will get a,b,c and d.
Then find f(6).
Thanks
BHarat Bajaj
askiitians Faculty
IIT Delhi

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