find whether the equation have real roots, if it exists
a) x²+5√5x-70=0
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Answered by
48
first find discriminate
d=b^2-4ac
d=(5√5)^2-4×1×(-70)
d=125+280
d=405
therefore d is positive
it have real roots
d=b^2-4ac
d=(5√5)^2-4×1×(-70)
d=125+280
d=405
therefore d is positive
it have real roots
piyusha29:
sorry
aggee ki steps
aage
ok
if d is positive it have real roots
if d is zero it have equal roots
find x also
if d is negative it have imaginary roots
byvthe formula
here is ur Answer
Answered by
44
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