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CBSE Class 11-science Answered

Find the range of x 8th
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Asked by lovemaan5500 | 03 Jul, 2018, 05:18: PM
answered-by-expert Expert Answer
begin mathsize 16px style negative straight x squared minus 4 straight x minus 5 less than 0 straight D equals 4 squared minus 4 cross times negative 5 cross times negative 1 equals negative 4.......... space n o space r o o t s so space the space vertex space of space the space curve space is open parentheses fraction numerator negative straight b over denominator 2 straight a end fraction comma fraction numerator negative straight D over denominator 4 straight a end fraction close parentheses equals open parentheses fraction numerator 4 over denominator negative 2 end fraction comma fraction numerator 4 over denominator negative 4 end fraction close parentheses equals open parentheses negative 2 comma negative 1 close parentheses so space straight y space ranges space from space left square bracket negative 1 comma negative infinity right parenthesis space straight x element of open parentheses negative infinity comma infinity close parentheses space end style
Answered by Arun | 04 Jul, 2018, 11:49: AM

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CBSE 11-science - Maths
find square root of 7+24i
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CBSE 11-science - Maths
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CBSE 11-science - Maths
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CBSE 11-science - Maths
in exercise 1.3 1st q ii part abc is not subset of bcd but two elements are common i.e bc but in 2 question same exercise i part ab is subset of  bca how ??  
Asked by parvanipatil09 | 29 Mar, 2024, 10:12: AM
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CBSE 11-science - Maths
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CBSE 11-science - Maths
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CBSE 11-science - Maths
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CBSE 11-science - Maths
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