Home
Class 12
MATHS
about to only mathematics...

about to only mathematics

A

4

B

`2sqrt5`

C

5

D

`3sqrt5`

Text Solution

Verified by Experts

The correct Answer is:
C
The line 5x - 2y + 6 = 0 meets the Y-axis at the point (0,3) and therefore the tangent has to pass through the point (0,3) and required length
`=sqrt(x_(1)^(2)+y_(1)^(2)+6x_(1)+6y_(1 )-2)`
`=sqrt((0^(2)+3^(2)+6(0)+6(3)-2))`
`=sqrt25=5`
Promotional Banner

Similar Questions

Explore conceptually related problems

A school library has 75 books on Mathematics, 35 books on physics. A student can choose only one book , In how many ways a student can choose a book on Mathematics or physics?

The first theorem in mathematics is ………… .

There are 15 candidates for an examination . 7 candidates are appearing for mathematics examination while the remaining 8 are appearing for different subjects. In how many ways can they be seated in a row so that no two mathematics candidates are together ?

There are 15 candidates for an examination. 7 candidates are appearing for mathematics examination while the remaning 8 are appearing for different subjects. In how many ways can they be seated in a row so that no two mathematics candidates are together?

There are 15 candidates for an examination. 7 candidates are appearing for mathematics examination while the remaining 8 are appearing for different subjects . In how many ways can they be seated in a row so that no two mathematics candidates are together ?

A bag contains a total of 20 books on physics and mathematics, Any possible combination of books is equally likely. Ten books are chosen from the bag and it is found that it contains 6 books of mathematics. Find out the probability that the remaining books in the bag contains 3 books on mathematics.

Formulate into a mathematical problem to find a number such that when its cube root is added to it, the result is 6.