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anonymous

  • one year ago

What is the fourth term of the expansion of the binomial (2x + 5)^5?

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  1. amistre64
    • one year ago
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    you either know of pascals triangle, or a binomial expansion

  2. amistre64
    • one year ago
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    if not, then you have a point of study to focus on

  3. anonymous
    • one year ago
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    i know what they are i just need help with solving the problem. i dont understand it. and im taking an online course

  4. amistre64
    • one year ago
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    well, pascals triangle gives us the coefficients of the expansion the rest is just working the exponents in the right order i spose give it a shot, let me see what you come up

  5. amistre64
    • one year ago
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    .. having connection issues

  6. anonymous
    • one year ago
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    okay. thank you

  7. amistre64
    • one year ago
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    binomial thrm gives us: \[(a+b)^n=\sum_{k=0}^{n}\binom{n}{k}a^{n-k}~b^k\]

  8. anonymous
    • one year ago
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    thank you i got the answer

  9. amistre64
    • one year ago
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    yep, good luck and all ;)

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