Expand (a+b)^7 using pascal triangle

1 answer:

Inga [223]2 years ago

8 0

(a+b)^7= a^7+ 7a^7b+ 21 a^6b²+ 35a^5b³+ 35 a⁴b⁴+ 21 a³b^5 + 7a²b^6 + b^7

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