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यदि `|{:(,2x,5),(,8,x):}|=|{:(,6,-2),(,7,3):}|` तो x का मान ज्ञात कीजिएः

Answer» `|{:(2x,5),(8,x):}|=|{:(6,-2),(7,3):}|`
`rArr 2x^(2)-40 = 18 -(-14)`
`rArr 2x^(2) - 40 = 32`
`rArr 2x^(2) = 72`
`rArr x^(2) = 36`
`rArr x = +- 6`


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