class 12

Missing

JEE Main

Which of the following statements about low density polythene is FALSE ?

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The integral $∫(x_{4}−1)_{41}dx $ equal:

$(lim)_{x0}((1−cos2x)xtan4x3+cosx $ is equal to:

Let $AandB$ be two sets containing four and two elements respectively. Then the number of subsets of the set $A×B,$ each having at least three elements is :

Let A and B be two events such that $p(A∪B)=61 ,p(A∩B)=41 $ and $p(A)=41 $, where $A$stands for thecomplement of the event A. Then the events A and B are

Let $f_{K}(x)=k1 (s∈_{k}x+cos_{k}x)$where $x∈R$and $k≥1$. Then $f_{4}(x)−f_{6}(x)$equals

A red LED emits light at 0.1 watt uniformly around it. The amplitude of the electric field of the light at a distance of 1 m from the diode is :

The x-coordinate of the incentre of the triangle that has the coordinates of mid points of its sides as (0, 1), (1, 1) and (1, 0) is

Consider the following reaction: $xMnO_{4}+yC_{2}O_{4}+zH_{+}3/4 xMn_{2+}+2yCO_{2}+2z H_{2}O$ The values of x, y and z in the reaction are, respectively: