if 3x⁴-27x³+36x²-5=0, then s1+s2 is
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Answered by
1
Answer:
Correct option is
B
21
Given equation is 3x
4
−27x
3
+36x
2
−5=0
Comparing with the standard form ax
3
+bx
2
+xc+d=0, we get
a=3,b=−27,c=36,d=−5
S
1
=α+β+γ=−
a
b
and S
2
=αβ+αγ+βγ=
a
c
S
1
=−(−
3
27
)=9
S
2
=
3
36
=12
Therefore, S
1
+S
2
=9+12=21
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