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Maths-

General

Easy

Question

$Lt subscript x not stretchy rightwards arrow 0 end subscript space fraction numerator x left parenthesis 1 plus a cos space x right parenthesis minus b sin space x over denominator x cubed end fraction equals 1$ then a=, b=

$\frac{- 5}{2}, \frac{- 3}{2}$
$\frac{5}{2} \frac{3}{2}$
$\frac{2}{3}, \frac{5}{2}$
$\frac{3}{2}, \frac{1}{2}$

The correct answer is: $fraction numerator negative 5 over denominator 2 end fraction comma fraction numerator negative 3 over denominator 2 end fraction$

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Which of the following reagents may be used to distinguish between phenol and benzoic acid?

Which of the following reagents may be used to distinguish between phenol and benzoic acid?

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parallel

Which is obtained on treating phenol, with dilute $H N O subscript 3 ?$

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Which compound will have highest boiling point?

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In the reaction, $C H subscript 3 O H not stretchy ⟶ with text Oxidation end text on top A not stretchy ⟶ with N H subscript 3 on top B text ; end text$ A and B are

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A question paper consisting of 10 questions is divided into 3 parts with 5, 3,2 questions A candidate is to answer 6 questions without neglecting any part The number of ways in which he can make up his choice is

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A guard of 12 men is formed form soldiers If A and B are three times as often together on guard as C,D, E then =

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