if A and B are the roots of quadratic equation X square + 3 X + 4 = 20 then a + b equals to
Answers
Answered by
0
Answer:
Step-by-step explanation:
Let, x=1.3
23
.
Then, 10x=13.
23
(1)
=13.23
23
and 1000x=1323.
23(2)
Now, subtracting (1) from (2) we get,
990x=1310
⇒x=
990
1310
=
99
131
Which is the required
q
p
form
Answered by
0
Answer:
-3
Step-by-step explanation:
x^2+3x+4=20
x^2+3x+4 -20=0
x^2+3x-16=0
a=1,b=3,c= -16
A,B are the roots of the equation
Sum of the roots= -(b)÷a =》A+B= -(b)÷a
=》A+B= -(3)÷1
=》A+B= -3
Here is the solution
Hope this helps u
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