Fill In The Blanks[1 Marks ]

Questions

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5 questions · timed · auto-graded

Question 11 Mark

The number of terms in the expansion of $(x+a)^n-(x$ $-a)^n$ is _________ , where $n$ is a positive even integer.

Answer

$\frac{n}{2}$

Question 21 Mark

The number of terms in the expansion of $(a+b+c)^n$ is ________ , where $n$ is a positive integer.

Answer

$\frac{(n+1)(n+2)}{2}$

Question 31 Mark

The number of terms in the expansion of $(2 x-3 y)^9$ is __________.

Answer

$10$

Question 41 Mark

The number of terms in the expansion of $(a+b)^n$ is _________ , where $n$ is a positive integer.

Answer

$(n+1)$

Question 51 Mark

The coefficient ${ }^n C _r$ in the Binomial Theorem is called ________.

Answer

binomial coefficient

Fill In The Blanks[1 Marks ] - Maths STD 11 Science Questions - Vidyadip

Maths Fill In The Blanks[1 Marks ]