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प्रश्न
If x = 2, y = 5 and z = 4, find the value of the following:
`"x"/(2"x"^2)`
योग
उत्तर
`"x"/(2"x"^2)=2/(2(2)^2)=2/(2xx4)=1/4`
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Concept of Substitution
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