P and Q are the points (3, 1) and (7, 4) respectively. Fi...
P and Q are the points (3, 1) and (7, 4) respectively. Find the unit vector along PQ.
(43)
(0.60.8)
(0.80.6)
(−0.80.6)
Correct answer is C
PQ=(7−34−1)
=(43)
ˆn=→PQ|PQ|
|PQ|=√42+32=√25=5
ˆn=15(43)=(0.80.6)
The initial velocity of an object is u=(−53)ms−1. If the a...
If f(x)=4x−1,x≠0, find f−1(7)....
If y=4x−1, list the range of the domain −2≤x≤2, where x is an integer....
In how many ways can the letters of the word MEMBER be arranged? ...
Find the area of the circle whose equation is given as x2+y2−4x+8y+11=0...