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CBSE Class 9 Answered

4x²_3X+7
Asked by krprince1648 | 14 Jul, 2021, 08:05: PM
answered-by-expert Expert Answer
4 straight x ² minus 3 straight x plus 7 comparing space with space ax squared plus bx plus straight c we space get space straight a equals 4 comma space straight b equals negative 3 space and space straight c equals 7 use space the space formula straight x equals fraction numerator negative straight b plus-or-minus square root of straight b squared minus 4 ac end root over denominator 2 straight a end fraction
 

Answered by Arun | 15 Jul, 2021, 11:32: AM

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