Question

if á and â are the zeros of the polynomial 5x^2+2x-3then find value of á and â
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Answer 1

Answer:

let á=∆

â=¥

Now if ∆and¥is 0 polynomial so,

5x^2+2x-3=0

=. 5x^2+5x-3x-3=. 0

=. 5x(x+1)-3(x+1)=0

=. (x+1) (5x-3)= 0

Now:-

x+1=0

=. x=-1

Again

5x-3=0

=. 5x=3

=. x=3/5

Now

the value of x=-1 and 3/5

so,

value of á=∆=x=-1

â=¥=x=3/5