If A-1- 2- 4- B-2- 4- 5- C-2- 5- then A-C -B-C is equal to

The correct option is B (1, 4), (4, 4) A={1, 2, 4} , B={2, 4, 5} , C={2, 5} A C={1, 4} B C={4} (A C)× (B C)={1, 4}×{4} ={1, 4 ...

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Standard XII

Mathematics

Definition of Sets

If A=1, 2, 4,...

Question

If A={1, 2, 4}, B={2, 4, 5}, C={2, 5}, then (A-C) $\times$ (B-C) is equal to

{(1, 4)}

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{(1, 4), (4, 4)}

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{(4, 1), (4, 4)}

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none of these

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Solution

The correct option is B {(1, 4), (4, 4)}
$A = {1, 2, 4}$ , $B = {2, 4, 5}$ , $C = {2, 5}$
$A - C = {1, 4}$
$B - C = {4}$
$(A - C) \times (B - C) = {1, 4} \times {4}$
$= {1, 4}, {4, 4}$ .

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Similar questions

Q. If

A = {1, 2, 4}, B = {2, 4, 5}, C = {2, 5}

then

(A - C) \times (B - C)

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and C =

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then

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Q. Let

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Q. If for

A X = B, B = ⎡ ⎢ ⎣ \begin{matrix} 9520 \end{matrix} ⎤ ⎥ ⎦

and

A^{- 1} = ⎡ ⎢ ⎣ \begin{matrix} 3 & - 1 / 2 & - 1 / 2 - 4 & 3 / 4 & 5 / 4 2 & - 1 / 4 & - 3 / 4 \end{matrix} ⎤ ⎥ ⎦

then

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$\begin{matrix} Components of Reflec Arc & Functions 1 & Receptor & a & Receives information from efferent nueron and shows appropriate response 2 & Afferent neron & b & Carries information from spinal cord to the effector organ 3 & Interneuron & c & Process information and Generates response 4 & Efferent Neuron & d & Receives information and generates impulses 5 & Effector & e & Carries information from receptor to inter neurons in the spinal cord \end{matrix}$

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If A={1, 2, 4}, B={2, 4, 5}, C={2, 5}, then (A-C)×(B-C) is equal to

The correct option is B {(1, 4), (4, 4)}A={1,2,4}, B={2,4,5}, C={2,5}A−C={1,4}B−C={4}(A−C)×(B−C)={1,4}×{4}={1,4},{4,4}.

If A={1, 2, 4}, B={2, 4, 5}, C={2, 5}, then (A-C) $\times$ (B-C) is equal to

The correct option is B {(1, 4), (4, 4)}
$A = {1, 2, 4}$ , $B = {2, 4, 5}$ , $C = {2, 5}$
$A - C = {1, 4}$
$B - C = {4}$
$(A - C) \times (B - C) = {1, 4} \times {4}$
$= {1, 4}, {4, 4}$ .