find the discrimant of 2x2 + 10x + 21 = 0.
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Answered by
61
Equation:
Here a =2
b = 10
c=21
(D) =
=-68
So, discriminant of the equation =-68 .
Here a =2
b = 10
c=21
(D) =
=-68
So, discriminant of the equation =-68 .
eliyanrajwani682:
hi
Answered by
10
D=b2–4ac
=(10)²–4×2×21
=100–168
=–68
the sign is negative
so no real roots
=(10)²–4×2×21
=100–168
=–68
the sign is negative
so no real roots
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