The number of terms in the expansion of ${(a + b)}^{4}$ is:

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Solution

solution - The number of terms in the
expansion of $(a + b)^{n}$ is $= n + 1$
So, here number of terms in the
expansion of $(a + b)^{4}$ is $= 4 + 1 = 5$
So, Ans is 5

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