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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

If f(x) = 4[x] − 3, where [x] is greatest integer function of x, then find f(0.5)

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प्रश्न

If f(x) = 4[x] − 3, where [x] is greatest integer function of x, then find f(0.5)

बेरीज
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उत्तर

f(x) = 4[x] − 3

f(0.5) = 4[0.5] – 3

= 4(0) – 3  ...`[(because 0 ≤ 0.5 < 1),(therefore [0.5] = 0)]`

= – 3

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पाठ 6: Functions - Exercise 6.2 [पृष्ठ १२८]

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