gh21920 gh21920
  • 28-12-2019
  • Mathematics
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What is the binomial expansion of (m + 2)4?

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Аноним Аноним
  • 28-12-2019

Answer:  x^4 + 8x^3 + 24x^2 + 32x + 16

Step-by-step explanation:

Given is a binomial as

m+2 and we have to raise to power 4.

We know that

(x+a)^n = x^n+nC1 x^{n-1} a+nC2 x^{n-2} a^2+...nCr x^{n-r} a^r+...+a^n

Here substitute n =4, x=m and a =2

We get

(m+2)^4 =m^4+4C2 m^3(2) +4C2 m^2 (2^2)+4C3 m (2)^3 +4C4 (2)^4\\= m^4+8m^3+24m^2+32m+16

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r42fhudoij23p r42fhudoij23p
  • 05-11-2020

Answer:

The expansion will have 5 terms with coefficients from row 4 of Pascal’s triangle.

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