Question

in A.P so that
50. If a, a, a3,.........216 are
a,+as+ar+a10+213+16=147 then
a +ac+011+16=
a) 294
b) 98 c) 196
d) 49​

Answer 1

Answer:

294 is the right answer

Answer 2

hope it helps you

Step-by-step explanation:

Given :–

One end point of a diameter of a circle are (4, –1).

The coordinate of the centre of the circle are (1, –3).

To Find :–

The coordinate of the other end of the diameter.

Solution :–

Let, the diameter of the circle centre be C.

The co-ordinate of the one end of the diameters of the circle be A.

The co-ordinate of the other end of the diameter of the circle be B.

And,

C = (1, –3)

So,

We need to find B which is the other end of the diameter AB.

C is the mid-point of AB.

So,

(1, –3) = ( \dfrac{x + 4}{2}, \dfrac{-1 + y}{2})( 2x+4,

2−1+y)

So,

• \dfrac{x + 4}{2} 2x+4

= 1

⟹ x + 4 = 2

⟹ x = 2 – 4

⟹ x = –2

And,

• \dfrac{-1 + y}{2} 2−1+y

= –3

⟹ –1 + y = –3 × 2

⟹ y = –6 + 1

⟹ y = –5

Hence,

The co-ordinates of the other end of the diameter (B) = (–2, –5).