If \( (1+x)^{n}=C_{0}+C_{1} x+C_{2} x^{2}+\ldots . .+C_{n} x^{n} \), then the value of \( \mathr....

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If \( (1+x)^{n}=C_{0}+C_{1} x+C_{2} x^{2}+\ldots . .+C_{n} x^{n} \), then the
\( \mathrm{P} \)
value of \( \mathrm{C}_{0}+\mathrm{C}_{2}+\mathrm{C}_{4}+\ldots \ldots \) is
W
(1) \( 2^{n-1} \)
(2) \( 2^{n}-1 \)
(3) \( 2^{n} \)
(4) \( 2^{n-1}-1 \)



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