5. In the expansion of (x+xlog10%)5, the third term is 10⁶, then x=
1) 1
2) 2
3) 10
4)100
answer this question correctly who answered first I will follow them
Answers
Answer:
A helicopter is ascending with a velocity of 2 m/s at a height of 24 m when it drops a mail packet. The packet contains material, which can be damaged if it hits ground with velocity of magnitude greater than 72 km / h. Was the packet damaged? Explain your answer.
(Take g = 10 m/s2)
Ans
As the packet reaches the ground with a velocity (22 m/s) greate
Ans
As the packet reaches the ground with a velocity (22 m/s) greater than the safe velocity of 20 m/s, so it is damaged.
A helicopter is ascending with a velocity of 2 m/s at a height of 24 m when it drops a mail packet. The packet contains material, which can be damaged if it hits ground with velocity of magnitude greater than 72 km / h. Was the packet damaged? Explain your answer.
(Take g = 10 m/s2)
Ans
As the packet reaches the ground with a velocity (22 m/s) greate
Ans
As the packet reaches the ground with a velocity (22 m/s) greater than the safe velocity of 20 m/s, so it is damaged.A helicopter is ascending with a velocity of 2 m/s at a height of 24 m when it drops a mail packet. The packet contains material, which can be damaged if it hits ground with velocity of magnitude greater than 72 km / h. Was the packet damaged? Explain your answer.
(Take g = 10 m/s2)
Ans
As the packet reaches the ground with a velocity (22 m/s) greate
Ans
As the packet reaches the ground with a velocity (22 m/s) greater than the safe velocity of 20 m/s, so it is damaged.
Answer:
ANSWER
Given T
3
=10
6
⇒
5
C
2
x
3
(x
log
10
x
)
2
=10
6
⇒10x
3
(x
2log
10
x
)=10
6
⇒x
3
(x
2log
10
x
)=10
5
Taking log with base 10 on both sides,
log
10
x
3
+log
10
(x
2log
10
x
)=5
⇒3log
10
x+2(log
10
x)
2
−5=0
Put log
10
x=t
⇒2t
2
+3t−5=0
⇒t=1,−
2
5
⇒x=10
1
;x=(10)
−5/2