If =3 , (x+0,X84) be expressed in the form of ax2+bx+c=0(a0), the
let us determine the co-efficient ofx.
Answers
Answered by
0
Step-by-step explanation:
We know that quadratic equation is a polynomial of degree 2.
Hence, the coefficient of x
2
can not be zero.
The condition that ax
2
+bx+c=0; a,b,c∈R becomes a quadratic equation if a
=0
Answered by
1
Answer:
Expression given
s=(1+x)
10
+x(1+x)
9
+x
2
(1+x)
8
+....+x
10
the series in G.P with common ration
r=
1+x
x
, First term (1+x)
10
Total terms =11
s=(1+x)
10
1−
1+x
x
1−(
1+x
x
)
11
=(1+x)
10
(1+x)
10
(1+x)
11
−x
11
=(1+x)
11
−x
11
Now
Coefficient of x
7
in (x+1)
11
−x
11
is
11
C
7
=
7!4!
11!
=330
Step-by-step explanation:
This is the answer of this question (approximately)
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