The number of non-zero terms is the expansion of is Option 1) 9 Option 2) 10 Option 3) 5 Option 4) None of these

As discussed in concept

Properties of Binomial Theorem -

- wherein

Sum of odd terms or even Binomial coefficients

We get

We have 5 non-zero terms

Option 1)

9

This is incorrect option

Option 2)

10

This is incorrect option

Option 3)

5

This is correct option

Option 4)

None of these

This is incorrect option

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