Question

find the zero of the polynomial 4x2-3x-1 by factorisation method​

Answer 1

Answer:

4x2-3x-1

=4x2-4x + x - 1

=4x(x-1) +(x-1)

=(4x+1)(x-1)

4x+1=0 or x-1=0

x=-1/4 or x=1

Sum of zeros =-1/4=3/4

product of zeros =1(-1/4)=-1/4

HENCE VARIFIED