If f(x)=.40C1.x(1−x)39+2..40C2x2(1−x)38+3..40C3x3(1−x)37+…..+40..40C40x40, then the value of f(3) is

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If {f{{({x})}}}=.^{{{40}}}{C}_{{{1}}}.{x}{({1}-{x})}^{{{39}}}+

Question

If $f (x) = .^{40} C_{1} . x (1 - x)^{39} + 2 . .^{40} C_{2} x^{2} (1 - x)^{38} + 3 . .^{40} C_{3} x^{3} (1 - x)^{37} + \dots .. + 40 . .^{40} C_{40} x^{40}$ , then the value of $f (3)$ is

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Chloe Discussed

f (x) = .^{40} C_{1} . x (1 - x)^{39} + 2 . .^{40} C_{2} x^{2} (1 - x)^{38} + 3 . .^{40} C_{3} x^{3} (1 - x)^{37} + \dots .. + 40 . .^{40} C_{40} x^{40}

, then the value of

f (3)

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Question Text

f (x) = .^{40} C_{1} . x (1 - x)^{39} + 2 . .^{40} C_{2} x^{2} (1 - x)^{38} + 3 . .^{40} C_{3} x^{3} (1 - x)^{37} + \dots .. + 40 . .^{40} C_{40} x^{40}

, then the value of

f (3)