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What is the coefficient of x^2 in the expansion of (x + 3)^5?

Practice Questions

1 question
Q1
What is the coefficient of x^2 in the expansion of (x + 3)^5?
  1. 45
  2. 60
  3. 75
  4. 90

Questions & Step-by-step Solutions

1 item
Q
Q: What is the coefficient of x^2 in the expansion of (x + 3)^5?
Solution: The coefficient of x^2 is given by 5C2 * (3)^3 = 10 * 27 = 270.
Steps: 0

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