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CBSE Class 9 Answered

math
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Asked by prajapatimadhu654 | 18 Nov, 2021, 08:31: PM
answered-by-expert Expert Answer
3 straight x squared plus 2 straight x minus 9 if space roots space are space straight p space and space straight q space then straight p plus straight q equals fraction numerator negative 2 over denominator 3 end fraction pq equals fraction numerator negative 9 over denominator 3 end fraction equals negative 3 now comma open parentheses straight p minus straight q close parentheses squared equals open parentheses straight p plus straight q close parentheses squared minus 4 pq equals plus-or-minus fraction numerator 4 square root of 7 over denominator 3 end fraction
Answered by Arun | 19 Nov, 2021, 10:10: AM

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CBSE 9 - Maths
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Asked by tp783257 | 13 May, 2024, 01:33: PM
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CBSE 9 - Maths
solution please
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Asked by sanjaykrtiwari2010 | 11 May, 2024, 10:02: PM
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CBSE 9 - Maths
is it necessary to write the explanation while answering the question of representation of irrational number on a number line
Asked by pranavisree.ravu | 11 May, 2024, 11:48: AM
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CBSE 9 - Maths
add 2√3 +√5 and √3 - 3√5
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Asked by kulkarniridima6 | 09 May, 2024, 05:30: PM
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CBSE 9 - Maths
laxman saves 10% More than his expenditure and bhuwan spends 10% more than his savings if laxman savings is 10% more than bhuwan expenditure what is the ratio of incomes of laxman and bhuwa
Asked by rathorgaurav2945 | 21 Apr, 2024, 10:31: PM
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CBSE 9 - Maths
13. If x = (2 + sqrt(3)) find the value of x ^ 2 + 1/(x ^ 2)
Asked by monika.vns14 | 18 Apr, 2024, 05:15: PM
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CBSE 9 - Maths
3√5+√3/√5-√3
Asked by gulshanelectronics2017 | 15 Apr, 2024, 05:35: PM
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CBSE 9 - Maths
find the value of n in 7^2n+1÷49=7^3
Asked by tripura78839 | 12 Apr, 2024, 09:05: PM
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CBSE 9 - Maths
how to solve it
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Asked by singhanjali0199 | 12 Apr, 2024, 08:29: PM
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CBSE 9 - Maths
√2x^2+3x+√2
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Asked by killerstealer593 | 11 Apr, 2024, 07:50: PM
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