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8 - (\frac{4^{\frac{9}{4} \sqrt{2.2} } }{2\sqrt{2^{-2} } } )^{\frac{1}{2} }[/tex]
Answers
Answered by
7
Step-by-step explanation:
(b) f′(3)= limh→0
1
2(3+h)−1
−
1
5
h
= limh→0
−2
5(5+2h)
=−0.08. (c) limh→0
sin7(
π
6
+
h
2
)−(
1
2
)7
h
=
d
dx
(sin7
x
2
)|x=
π
3
=
7
2
⋅sin6
π
6
⋅cos
π
6
=
7
√
3
256
.
limx→0+
f(x)−f(0)
x
=1, limx→0−
f(x)−f(0)
x
=2.
Let |I(x)|≤M for all x∈R. Then for any h≠0,
Answered by
2
Step-by-step explanation:
It is given that length, breadth and height of a room are 8 m, 5 m and 3 m respectively.
Area of four walls of the room is: 2h(l+b)
A=2h(l+b)=2×3(8+5)=6×13=78 m
2
Area of the ceiling is:
A=l×b=8×5=40 m
2
Total area of the four walls and the ceiling of the room is 78+40=118 m
2
It is given that cost of white washing is Rs.15/m
2
, therefore,
Total cost of white washing is:
118×15=1770
Hence, the cost of white washing the walls is Rs.1770.
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