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CBSE Class 10 Answered

Please solve this question 
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Asked by vikasg13.hardware | 13 Jul, 2018, 07:31: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight x squared minus kx plus l equals 0
rightwards double arrow straight a plus straight b equals straight k space and space ab equals 1
straight x squared minus px plus straight q equals 0
rightwards double arrow straight a plus 1 over straight a plus straight b plus 1 over straight b equals straight p space and space open parentheses straight a plus 1 over straight a close parentheses open parentheses straight b plus 1 over straight b close parentheses equals straight q
rightwards double arrow straight q equals ab plus straight a over straight b plus straight b over straight a plus 1 over ab
Solving space it space we space get
straight q equals l plus 1 over l plus fraction numerator straight k squared minus 2 l over denominator l end fraction
It space contains space two space variables space straight k space and space l space so space we space cannot space find space numerical space value space of space straight k space and space l. end style
Answered by Sneha shidid | 17 Jul, 2018, 10:12: AM
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