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CBSE Class 10 Answered

If alpha and beta are the zeros of P(x)=2*2+5x-6,then find the value of  1/alpha + 1/beta  
Asked by aditvk27 | 11 Aug, 2020, 09:14: PM
answered-by-expert Expert Answer
P(x) = x2 + 5x - 6
straight alpha space and space straight beta space are space the space zeroes space of space the space polynomial space straight P left parenthesis straight x right parenthesis
rightwards double arrow straight alpha plus straight beta equals negative 5 space and space αβ equals negative 6
1 over straight alpha plus 1 over straight beta equals fraction numerator straight alpha plus straight beta over denominator αβ end fraction equals fraction numerator negative 5 over denominator negative 6 end fraction equals 5 over 6
Answered by Renu Varma | 12 Aug, 2020, 11:46: AM

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