The quadratic equation 3x2 – m√3x+ m = 0 has two equal roots and m > 0.
Find the value of m.
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Step-by-step explanation:
Given equation mx(x−7)+49=0 if given equation has equal roots then discriminant 0=b
2
−4ac=0.
m
a
x
2
−
7
a
mx+
49
c
=0
(7m)
2
−4×m×49=0
(7m)
2
=196 m
49m
2
−196 m=0
49m(m−4)=0
m=0,4 but m
=0
∴m=4
itzsweetycandy ❣
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