If x2-3-x4x-3-A-x-3-B-x-C-x2-D-x3-E-x4- then C-

The correct option is A 4/9 ...

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Standard XII

Mathematics

Local Maxima

If x2+3/x4x...

Question

If $\frac{x^{2} + 3}{x^{4} (x + 3)} = \frac{A}{x + 3} + \frac{B}{x} + \frac{C}{x^{2}} + \frac{D}{x^{3}} + \frac{E}{x^{4}}$ , then $C =$

\frac{4}{9}

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\frac{4}{7}

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\frac{4}{58}

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\frac{3}{7}

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Solution

The correct option is A $\frac{4}{9}$

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Similar questions

Q. If

\frac{x^{2} + 3}{x^{4} (x + 3)} = \frac{A}{(x + 3)} + \frac{B}{x} + \frac{C}{x^{2}} + \frac{D}{x^{3}} + \frac{E}{x^{4}}

then
Match the following with I, II, III, IV, V

1) A	a) $\frac{4}{9}$
2) C	b) $\frac{4}{27}$
3) B	c) $- \frac{1}{3}$
4) E	d) $- \frac{4}{27}$
5) D	e) 1

Q. If

\frac{x + 1}{x^{4} (x + 2)} = \frac{A}{x} + \frac{B}{x^{2}} + \frac{C}{x^{3}} + \frac{D}{x^{4}} + \frac{E}{x + 2} \Rightarrow B + D + E =

\frac{x + 1}{x^{4} (x + 2)} = \frac{A}{x} + \frac{B}{x^{2}} + \frac{C}{x^{3}} + \frac{D}{x^{4}} + \frac{E}{x + 2} \Rightarrow B + D + E =

You are given
$cos x = 1 - \frac{x^{2}}{2!} + \frac{x^{4}}{4!} - \frac{x^{6}}{6!} . . . . . .$ ;
$sin x = x - \frac{x^{3}}{3!} + \frac{x^{5}}{5!} - \frac{x^{7}}{7!} . . . . . .$ ;
$tan x = x + \frac{x^{3}}{3} + \frac{2 x^{5}}{15} . . . . . .$
Then the value of
$lim x \to 0 \frac{x cos x + sin x}{x^{2} + tan x}$ is

___

Q. If

x = \sqrt{\frac{7 + 4 \sqrt{3}}{7 - 4 \sqrt{3}}}

, then

x^{2} {(x - 14)}^{2} =

........

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If x2+3x4(x+3)=Ax+3+Bx+Cx2+Dx3+Ex4, then C=

The correct option is A 49

If $\frac{x^{2} + 3}{x^{4} (x + 3)} = \frac{A}{x + 3} + \frac{B}{x} + \frac{C}{x^{2}} + \frac{D}{x^{3}} + \frac{E}{x^{4}}$ , then $C =$

The correct option is A $\frac{4}{9}$