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Q. The set of...

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Q. The set of values of x that satisfy |6x – 3| = 21, is

Q. | 6x - 3 | = 21 के लिए x के मानों का समुच्चय है

A

{-3, 4}

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B

{-3, -4}

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C

{3, -4}

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D

{3, 4}

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Solution

The correct option is A
{-3, 4}
|6x – 3| = 21 $\to$ 6x - 3 = 21 or 6x - 3 = -21
6x = 24 or 6x = -18
So, x is either 4 or -3

|6x – 3| = 21 $\to$ 6x - 3 = 21 or 6x - 3 = -21
6x = 24 या 6x = -18
अतः x = 4 या -3

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