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If (1+2x+3x^2)^(10)=a0+a1x+a2x^2++a(20)x...

If `(1+2x+3x^2)^(10)=a_0+a_1x+a_2x^2++a_(20)x^(20),t h e na_1` equals `10` b. `20` c. `210` d. none of these

A

210

B

20

C

10

D

None of these

Text Solution

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The correct Answer is:
b
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