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CBSE Class 10 Answered

find the quadratic polynomial whose zeros is 2 and product is -8 hence find the zeros of the polynomial, please explain the solution to this problem
Asked by gganga | 30 Jul, 2016, 10:13: AM
answered-by-expert Expert Answer
begin mathsize 16px style One space of space the space zero space equals space 2 Product space of space the space zeroes space equals space minus 8 space rightwards double arrow Other space zero space equals space fraction numerator negative 8 over denominator 2 end fraction equals negative 4 rightwards double arrow Sum space of space the space zeroes space equals space 2 space plus space left parenthesis negative 4 right parenthesis equals 2 minus 4 equals negative 2 The space quadratic space polynomial space is space space straight x squared space minus space left parenthesis sum space of space zeroes right parenthesis straight x space plus space product space of space zeroes straight i. straight e. space straight x squared space minus space left parenthesis negative 2 right parenthesis straight x space plus left parenthesis negative 8 right parenthesis straight i. straight e. space straight x squared plus 2 straight x minus 8 end style
Answered by Rashmi Khot | 01 Aug, 2016, 11:12: AM

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