CBSE Class 10 Answered
hello
Asked by dhairya | 15 Jun, 2009, 04:00: PM
Expert Answer
the zero of a plynomial is that value of the variable (in this case the variable is x) which takes the polynomial equal to zero.
The number of zeroes of a polynomial is equal to the degree of the polynomial. e.g. a second degree polynomial will have 2 zeroes..
Let the zeroes for the given poly. be m and 1/m(say)
for a quadratic
the sum of the zeroes =-B/A
product of the zeroes =C/A
so from the given information,
m+(1/m)= -13/5
m*(1/m)=-a/5..(ii)
so from (ii) we directly get that,
1=-a/5
so a = - 5
Answered by | 15 Jun, 2009, 06:42: PM
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