The constant term in the expansion of (1+\frac{1}{x}) ^{20} (30 x(1+x)^{29}+(1+x)^{30}) is

Correct Answer is : 50C20+30⋅49C19

{ }^{50} C _{20}+30 \cdot{ }^{50} C _{29}

{ }^{50} C _{19}+30 \cdot{ }^{49} C _{19}

{ }^{50} C _{20}+30 \cdot{ }^{49} C _{20}

{ }^{50} C _{20}+30 \cdot{ }^{49} C _{19}

TG EAMCET 2 May 2025 Shift 2 Paper

Question : 19 of 160

Marks: +1, -0

The constant term in the expansion of (1+‌

)20(30x(1+x)29+(1+x)30) is

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