find the value of k in 25x2-kx+1=0 if its has two equal roots
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the value of k is 50
Atithisharma:
how
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by using formula
D=b²-4ac
so =(-k)²-4×25×2×1=0[if its has equal roots]
=k²-200=0
=k²=200
k=√(2×100)
k=1.414×10
k=14.14
hope dis help
D=b²-4ac
so =(-k)²-4×25×2×1=0[if its has equal roots]
=k²-200=0
=k²=200
k=√(2×100)
k=1.414×10
k=14.14
hope dis help
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