Math, asked by AbaAaliya, 1 year ago

Show that the equation x²+ax-4=0 has distinct real roots


AbaAaliya: plz answer it fast guys

Answers

Answered by ishu121
8
A=1,B=a,C=-4
D=B^2- 4AC
D=(a)^2-4(1)(-4)
D=a^2+16
since square of no. or variable cannot be negative hence D>0

dikshaverma4you: But it is not negative... No negative sign is there in your ans.
ishu121: negative in the sense the value of D is more 0
ishu121: i.e.D>0
ishu121: D>0
dikshaverma4you: Oh yeah... Sorry
ishu121: it's ok
dikshaverma4you: ...
ishu121: plz mark it as brainliest ans
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