Question
Question: The sum of coefficients in (x + 2y + z)<sup>10</sup> =...
The sum of coefficients in (x + 2y + z)10 =
A
210
B
310
C
410
D
None of these
Answer
410
Explanation
Solution
Put x = y = z = 1
Sum of coefficient = (1+2 + 1)10 = 410
The sum of coefficients in (x + 2y + z)10 =
210
310
410
None of these
410
Put x = y = z = 1
Sum of coefficient = (1+2 + 1)10 = 410