In the expansion of (2a + 3b)8, which of the following are possible variable terms? Explain your reasoning.


a2b3; a5b3; ab8; b8; a4b4; a8; ab7; a6b5

Respuesta :

The possible variable terms are a^5b^3, b^8, a^4b^4, a^8, ab^7

How to determine the possible variable term?

The expression is given as:

(2a + 3b)^8

The power of the above expression is 8

When expanded, the sum of powers on each variable must be 8.

Using the above explanation, we have the following possible variable terms:

a^5b^3, b^8, a^4b^4, a^8, ab^7

This is because the sum of powers equals 8

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