X)
vii) Find the 4th term from the end in (2a +5b)8
Answers
Answered by
0
Answer:
4
th
term from the end in the expansion of (
2
x
3
−
x
2
2
)
7
=4
th
term from the end in the expansion of (−
x
2
2
+
2
x
3
)
7
=T
4
=T
3+1
=
7
C
3
(
x
2
−2
)
7−3
(
2
x
3
)
3
=
1.2.3
7.6.5
x
8
2
4
.
2
3
x
9
=70x
Similar questions