Find the indicated coefficient or term.
-The 3rd term in the expansion of ( $( 7 x + 9 ) ^ { 3 }$
A) 3,402x
B) 1,323x2
C) 1,701x
D) 81

Name: Find the indicated coefficient or term. -The 3rd term in the expansion of ( $( 7 x + 9 ) ^ { 3 }$ A) 3,402x B) 1,323x2 C) 1,701x D) 81
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Question

Quizplus · Accepted Answer

The 3rd term in the expansion of $(7x + 9)^3$ is given by the binomial coefficient formula: $\binom{3}{2} (7x)^1 (9)^2 = 3 \times 7x \times 81 = 1701x$.

Find the Indicated Coefficient or Term (7x+9)3( 7 x + 9 ) ^ { 3 }(7x+9)3

Find the Indicated Coefficient or Term $( 7 x + 9 ) ^ { 3 }$