हिंदी

If |45m3| = 22, then find the value of m. - Algebra

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प्रश्न

If  `|( 4,5), (m , 3)|` = 22, then find the value of m.

योग
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उत्तर

Given, `|( 4,5), (m , 3)|` = 22

⇒ (4 × 3) – (m × 5) = 22

⇒ 12 – 5m = 22

⇒ – 5m = 22 – 12

⇒ – 5m = 10

⇒ m = `- 10/5`

∴ m = – 2

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2018-2019 (March) Set 1

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