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CBSE Class 9 Answered

Show that each of the following polynomial has no integral zero X square + 6 X + 10
Asked by yeshkochar | 17 Jul, 2019, 09:28: AM
answered-by-expert Expert Answer
Suppose x2+6x+10=0
T h e r e f o r e comma space x equals fraction numerator negative 6 plus-or-minus square root of 36 minus 40 end root over denominator 2 end fraction T h e r e f o r e comma space x equals fraction numerator negative 6 plus-or-minus square root of negative 4 end root over denominator 2 end fraction T h e r e f o r e comma space x equals negative 3 plus-or-minus square root of negative 1 end root A n d space minus 3 plus-or-minus square root of negative 1 end root space i s space n o t space a space r e a l space n u m b e r H e n c e comma space x squared plus 6 x plus 10 space h a s space n o space i n t e g r a l space z e r o.
Answered by Renu Varma | 17 Jul, 2019, 09:45: AM

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