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16 August, 10:15

What is (f⋅g) (x) ?

f (x) = x4-9

g (x) = x3+9

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(f⋅g) (x) =

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Answers (1)
  1. 16 August, 13:02
    0
    The dot products of the two functions will be given as follows:

    f (x) = x^4-9

    g (x) = x^3+9

    thus

    (f*g) (x)

    = (x^4-9) (x^3+9)

    =x^3 (x^4-9) + 9 (x^4-9)

    =x^7-9x^3+9x^4-81

    hence the answer is:

    (f*g) (x) = x^7-9x63+9x^4-81
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