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Byju's Answer
Standard VIII
Mathematics
Cube-Root of Fractional Numbers
Find the 14...
Question
Find the
14
t
h
term from the end in the expansion of
(
√
x
−
√
y
)
17
.
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Solution
14
t
h
t
e
r
m
i
n
(
√
x
−
√
y
)
17
from end means
5
t
h
term from starting.
n
t
h
term from starting
=
(
17
n
−
1
)
(
√
x
)
18
−
n
(
√
y
)
n
−
1
.
(
−
1
)
n
−
1
=
(
17
n
−
1
)
.
x
13
2
.
y
2
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