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CBSE Class 10 Answered

factorisation of x2+x+1
Asked by ramnikagarg | 09 Apr, 2019, 01:50: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight x squared space plus space straight x space plus space 1 space equals space 0 Here space straight a space equals space 1 comma space straight b space equals space 1 space and space straight c space equals space 1 Discriminant space space equals space straight b squared space minus space 4 ac space equals space 1 squared space minus space 4 space cross times space 1 space cross times space 1 space equals space 1 space minus space 4 space equals space minus 3 space less than space 0 rightwards double arrow space The space roots space of space the space Quadratic space Equation space straight x squared space plus space straight x space plus space 1 space equals space 0 space are space not space real space numbers. space space space space space space space space space space space since space straight D space less than space 0 end style
Answered by Yasmeen Khan | 09 Apr, 2019, 03:36: PM

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