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ICSE Class 10 Answered

Q. 29
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Asked by Rayeesa | 10 Apr, 2018, 07:29: AM
answered-by-expert Expert Answer
begin mathsize 14px style Sum space of space the space roots equals 2 plus square root of 5 plus 2 minus square root of 5 equals 4 Product space of space the space roots equals left parenthesis 2 plus square root of 5 right parenthesis left parenthesis 2 minus square root of 5 right parenthesis equals 2 squared minus open parentheses square root of 5 close parentheses squared equals 4 minus 5 equals negative 1 Thus comma space quadratic space polynomial equals straight k open square brackets straight x squared minus 4 straight x minus 1 close square brackets end style
Answered by Rashmi Khot | 10 Apr, 2018, 08:54: AM

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