arrange the term {log(1+x)}square 2 in the expand form.giys I need correct answer
Answers
Answered by
0
Learn about the properties of logarithms and how to use them to rewrite logarithmic expressions. For example, expand log₂(3a).
Answered by
1
Answer:
S=(x
1/2
+
2x
1/4
1
)
n
=
n
C
r
.(x
1/2
)
n−r
.(
2x
1/4
1
)
r
=
C
r
.(
2
1
)
r
.x
(n−r)/2
.x
−r/4
⇒S=∑
r=0
n
n
C
r
(
2
1
)
r
x
(2n−3r)/4
We have to expand in decreasing powers of x.
∴S=
n
C
0
(
2
1
)
0
x
n/2
+
n
C
1
(
.
=
n(n−1)
×
4
1
=n
⇒(n−1)(n−8)=0
n
=1 (∵ there are at least 3 term)
Hence, the answer is 3.
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