If \[{{(1+x-2{{x}^{2}})}^{6}}=1+{{a}_{1}}x+{{a}_{2}}{{x}^{2}}+....+{{a}_{12}}{{x}^{12}}\], then the expression \[{{a}_{2}}+{{a}_{4}}+{{a}_{6}}+....+{{a}_{12}}\]has the value [RPET 1986, 99; UPSEAT 2003]

If \[{{(1+x-2{{x}^{2}})}^{6}}=1+{{a}_{1}}x+{{a}_{2}}{{x}^{2}}+....+{{a

1.	If \[{{(1+x-2{{x}^{2}})}^{6}}=1+{{a}_{1}}x+{{a}_{2}}{{x}^{2}}+....+{{a}_{12}}{{x}^{12}}\], then the expression \[{{a}_{2}}+{{a}_{4}}+{{a}_{6}}+....+{{a}_{12}}\]has the value [RPET 1986, 99; UPSEAT 2003]
A.	32
B.	63
C.	64
D.	None of these
Answer» E.

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If \[{{(1+x-2{{x}^{2}})}^{6}}=1+{{a}_{1}}x+{{a}_{2}}{{x}^{2}}+....+{{a}_{12}}{{x}^{12}}\], then the expression \[{{a}_{2}}+{{a}_{4}}+{{a}_{6}}+....+{{a}_{12}}\]has the value [RPET 1986, 99; UPSEAT 2003]

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