Calculate the coefficient of the term a^3b^4 in the expansion of (2a + 3b)^7.

18840

13200

14400

11200

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

Q2.

In the expansion of (a + b)^4, how many terms will be present?

Q3.

What is the general term in the expansion of (x + y)^n?

Q4.

What is the value of (x + 1)^2 when x = 3?