Home › TS EAPCET (Engineering) › Mathematics › Binomial Coefficients › In (1 + x) to the power n, the coefficient of wh…
In (1 + x) to the power n, the coefficient of which term is n choose k?
Ax^(k+1)
Bx^k
Ckx
Dx^(2k)
Answer & Solution
Correct answer: B. x^k
By definition n choose k is the coefficient of x to the power k in (1 + x) to the power n.
Related questions
A pizza shop offers 9 toppings. How many ways can a customer pick 3 different toppings?How many 4-element subsets does the set {1, 2, ..., 8} have?In the multiplicative formula, what does the denominator k factorial correct for?How many 5-bit words made of 0s and 1s contain exactly two 1s?If k is greater than n, how is the binomial coefficient commonly defined?In row 6, what is the sum of the three middle entries?The sum of squares of row n equals the middle entry of which row?What is 1 + 25 + 100 + 100 + 25 + 1, the sum of squares of row 5 entries?