subject
Mathematics, 08.02.2021 01:00 nik2lit

If r1
and
r2
are the roots of
ax2 + bx + c = 0,
show that
r1r2 =
c
a
.
If
r1
and
r2
are roots of
ax2 + bx + c = 0,
then their values are
r1 =
βˆ’b +

b2 βˆ’ 4ac
2a
and
r2 =
βˆ’b βˆ’

b2 βˆ’ 4ac
2a
r1r2
=

+

b2 βˆ’ 4ac
2a

Β·

βˆ’b βˆ’

b2 βˆ’ 4ac
2a

=

+

b2 βˆ’ 4ac

Β·

βˆ’b βˆ’

b2 βˆ’ 4ac

4a2
=

2

βˆ’

b2 βˆ’ 4ac
2

4a2
=

βˆ’ (b2 βˆ’ 4ac)
4a2

=

4a2

=

c
a

ansver
Answers: 1

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If r1
and
r2
are the roots of
ax2 + bx + c = 0,
show that
r1...
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