Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
Expand (1 + ¼ x)4
0
votes
612
views
asked
Aug 13, 2021
in
Mathematics Form 3
by
anonymous
Expand (1 + ¼ x)
^{4}
Use your expansion above to evaluate (0.975)
^{4 }
to 4 significant figures.
binomial expansion
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
Aug 13, 2021
by
anonymous
Expand (1 + ¼ x)
^{4}
(1
^{4}
+ 4x
^{1}
/
_{4}
x) + 6 (
^{1}
/
_{4x}
)
^{2}
+ 4(
^{1}
/
_{4x}
)
^{3}
+ (
^{1}
/
_{4x}
)
^{4}
1 +
^{1}
/
_{x}
+
^{3}
/
_{8x2}
+
^{1}
/
_{6x3}
+
^{1}
/
_{6x4}
Use your expansion above to evaluate (0.975)
^{4}
to 4 significant figures.
1 +
^{1}
/
_{-10}
+
^{3}
/
_{8(-10)2}
+
^{1}
/
_{16(-10)3}
+
^{1}
/
_{64(-10)4}
= 0.903689063
= 0.9037
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
Expand (1+2x/3)8 in ascending powers of x up to the fourth term. Hence use your expansion to evaluate (0.98)8 to three significant figures.
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
binomial expansion
powers
binomial expansions
0
votes
1
answer
Expand the expression (1- 3/10 x)5 in ascending powers of x, leaving coefficient as fractions in their lowest form.
asked
Jun 18, 2021
in
Mathematics Form 3
by
anony mous
binomial expansion
fractions
0
votes
1
answer
Expand (1-2x)6 up to term in x3
asked
Jul 21, 2021
in
Mathematics Form 3
by
anonymous
binomial expansion
0
votes
2
answers
expand (2+X)^4
asked
Oct 2, 2021
in
Mathematics Form 3
by
kigamwa
binomial expansions
0
votes
1
answer
Expand (x+1/2x)4 Hence give the constant term.
asked
Jul 2, 2021
in
Mathematics Form 2
by
anony mous
quadratic equation and expressions
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(632)
Mathematics Form 1
(257)
Mathematics Form 2
(174)
Mathematics Form 3
(175)
Mathematics Form 4
(26)
English
(285)
Kiswahili
(559)
Chemistry
(663)
Physics
(604)
Biology
(659)
Geography
(537)
History
(568)
CRE
(365)
IRE
(53)
Agriculture
(519)
Business Studies
(379)
Computer Studies
(20)
Home Science
(60)
General Questions
(432)
6.4k
questions
9.6k
answers
6
comments
590
users
...