how we can find zeroes in cubic polynomials and also sum and the products?give some example also

Asked by Meenu S Unnithan | 5th Jun, 2014, 10:14: PM

Expert Answer:

f o r space a space g i v e n space c u b i c space p o l y n o m i a l comma space a x cubed plus b x squared plus c x plus d equals 0 space a s s u m e space z e r o s space o f space t h i s space p o l y n o m i a l space a r e space alpha comma space beta space a n d space gamma  S u m space o f space r o o t s space i s space g i v e n space b y comma space alpha plus beta plus gamma equals minus b over a P r o d u c t space o f space t w o space r o o t s space i s space g i v e n space b y comma space alpha beta plus beta gamma plus alpha gamma equals c over a P r o d u c t space o f space t h r e e space r o o t s space i s space g i v e n space b y space alpha beta gamma space equals space minus d over a s o space i f space w e space k n o w space a comma space b comma space c comma space d space w e space c a n space f i n d space t h e space 3 space r o o t s space u sin g space a b o v e space e q u a t i o n s. B a s i c a l l y space i t s space 3 space u n k o n w n s space a n d space 3 space e q u a t i o n s. space S o l v a b l e. space T h i s space m e t h o d space i s space a s space p e r space y o u r space s y l l a b u s.  T h e r e space a r e space e v e n space s o m e space h i g h l y space a d v a n c e d space w h i c h space a r e space n o t space p a r t space o f space y o u r space c u r r i c u l u m. space S o space i t s space o u t space o f space s c o p e space f o r space y o u r space s u b j e c t.

Answered by Dharma Teja | 6th Jun, 2014, 02:05: AM

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