Question

The number of tangents that can be drawn from (1, 2) to x² + y² = 5 is
(a) 0
(b) 1
(c) 2
(d) More than 2​

Answer 1

The number of tangents that can be drawn from (1, 2) to x² + y² = 5 is 2......

Answer 2

Answer:

$\huge\pink{AnSwer}$

==>$\rm\underline\bold{b)\:1 \red{\huge{\checkmark}}}$

Explanation:-

Given point (1, 2) and equation of circle is x² + y² = 5

Now, x² + y² – 5 = 0

Put (1, 2) in this equation, we get

1² + 2² – 5 = 1 + 4 – 5 = 5 – 5 = 0

So, the point (1, 2) lies on the circle.

Hence, only one tangent can be drawn.