Without solving comment upon the nature of
roots of each of the following equations
7x² -9x +2=0
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Answered by
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Answer:
Step-by-step explanation:
7x^2-9x+2=0
Δ=(-9)^2-4(7)(2)
=81-56
=25 is greater than 0
the roots are real and distinct
Here ,25 is a perfect square.
so, the roots are rational and distinct.
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Answered by
0
7x^2-9+2=0
a=7
b=-9
c=2
D=b^2-4ac
D=(-9)-(4×7×2)
D=81-56
D=25
so it is greater than 0 so it is real and unequal
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