Question

please give me full solution

Answer 1

heyy !! its me Nishant

1) let a=1. ,b=3,. c=-m^2-3m

d=√(b^2-4ac)
d=√(9+4m^2+12m)
or√(4m^2+12m+9)
√(4m^2+6m+6m+9)
=√[2m(2m+3)+3(2m+3)]
=√(2m+3)(2m+3)
d=2m+3

zeroes:

[ -b+d]/2a. => m

or

[-b-d]/2a. =>( -3-2m-3)/2. =>-m-3=>-(m+3)