For natural numbers \[m,n\,\,if{{(1-y)}^{m}}{{(1+y)}^{n}}\] \[=1+{{a}_{1}}y+{{a}_{2}}{{y}^{2}}+...\] and \[{{a}_{1}}={{a}_{2}}=10\], then \[(m,n)\] is

For natural numbers \[m,n\,\,if{{(1-y)}^{m}}{{(1+y)}^{n}}\] \[=1+{{a}_

1.	For natural numbers \[m,n\,\,if{{(1-y)}^{m}}{{(1+y)}^{n}}\] \[=1+{{a}_{1}}y+{{a}_{2}}{{y}^{2}}+...\] and \[{{a}_{1}}={{a}_{2}}=10\], then \[(m,n)\] is
A.	(20, 45)
B.	(35, 20)
C.	(45, 35)
D.	(35, 45)
Answer» E.

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For natural numbers \[m,n\,\,if{{(1-y)}^{m}}{{(1+y)}^{n}}\] \[=1+{{a}_{1}}y+{{a}_{2}}{{y}^{2}}+...\] and \[{{a}_{1}}={{a}_{2}}=10\], then \[(m,n)\] is

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