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The number of words formed from the letters of the word COMMITTEE is
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$\begin{bmatrix}8\\5 \end{bmatrix}$=
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$n^{2}+3n+2$=
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$\frac{n!}{(n-1)!}$=
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4! 0! 1!=
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What is the factorial form of n(n-1)(n-2).....(n-r+1)?
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The factorial form of n(n-2)(n-1) is
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$^{n}P_{n}$=
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Three books can be arranged in a row taken all at a time
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$^{n}P_{r}$=
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$\frac{11!}{2!}{4!}{5!}$=
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$\frac{6!}{3!3!}$=
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If $\frac{4x}{(x-1)(x+1)}=\frac{A}{x-1}+\frac{B}{x+1}$ then the values of $A$ and $B$ are
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$\frac{1}{x(x+1)}=\frac{A}{x+1}+\frac{B}{x}$ then $A+B=$
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$\frac{5x-11}{2x^{2}+x-6}$=
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$\frac{23x-11x^{2}}{(2x-1)(9-x^{2})}$=
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If $\frac{7x+25}{(x+3)(x+4)}=\frac{4}{x+3}+\frac{B}{x+4}$ then the value of B is
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An equation which hold good for all values of the variables is called
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To express a single rational fraction as a sum of two or more single rational fractions which are called
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An improper rational fraction can be reduced by division to a
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$\frac{ax^{2}}{x^{3}-1}$ is a
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When rational fraction is separated into partial fraction, the result is
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$\frac{{3}x^{2}+1}{x-5}$
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$\frac{x^{3}-x^{2}+x+1}{x^{2}+5}$ is a
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Simplify the expression $(1+i)^{8}$
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