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प्रश्न
Find values of x, if `|[2,3],[4,5]|=|[x,3],[2x,5]|`
उत्तर
`|[2,3],[4,5]|=|[x,3],[2x,5]|`
⇒ 2 × 5 - 3 × 4 = x × 5 - 3 × 2x
⇒ 10 - 12 = 5x - 6x
⇒ -2 = -x
⇒ x = 2
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