what will be the nature of root
of quadratic equation 2 X square + 4 x minus 7 is equal to zero
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Answered by
2
I have not put the value of imaginary number
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ravindar24:
i have used
see again
in the answer will come 72
not possible
it will be imaginary
go through solution
sorry
no problem my friend
i have forgotten to c at the place of 2ac in denominator
No its 2a only
Answered by
0
2x^2+4x-7=0
comparing the equation with ax^2+bx+c=0
a=2
b=4
c=-7
delta = b^2-4ac
=(4)^2-4*2*(-7)
=16-(-56)
=16+56
=72
As delta is positive
hence the roots are real but not equal.
Hope This helps.........
comparing the equation with ax^2+bx+c=0
a=2
b=4
c=-7
delta = b^2-4ac
=(4)^2-4*2*(-7)
=16-(-56)
=16+56
=72
As delta is positive
hence the roots are real but not equal.
Hope This helps.........
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