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प्रश्न
Classify the following number as rational or irrational with justification:
`(1 + sqrt(5)) - (4 + sqrt(5))`
योग
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उत्तर
`(1 + sqrt(5)) - (4 + sqrt(5))`
= `1 - 4 + sqrt(5) - sqrt(5)`
= – 3
Hence, it is a rational number.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Number Systems - Exercise 1.2 [पृष्ठ ७]
