Find the vale of k , when distance between two points (3,2k)and(4,1)is√10 units
Answers
Answered by
1
use distance formula to do this
quadratic equation would be formed to solve it!!!
quadratic equation would be formed to solve it!!!
Answered by
1
√10=√(3-4)^2+(2k-1)^2
.√10=√1+4k^2+1-4k
√10=√2+4k^2-4k
squaring both sides
10=2+4k(k-1)
8/4=k(k-1)
2=k^2-1
2
r
3=k^2
k=√3
.√10=√1+4k^2+1-4k
√10=√2+4k^2-4k
squaring both sides
10=2+4k(k-1)
8/4=k(k-1)
2=k^2-1
2
r
3=k^2
k=√3
Similar questions