Messages posted by Mirka

i m going out with Roger Federer!!
I swear it's true!!

B lying in between A and C.

Consider all circles passing thru B and C. The points of contact of the tangents from A to these circles lie on

(A) str8 line

(B) circle

(C) parabola

(D) None

Explain ur answer...

2.5

dude, where's the PIC???

Gentle but Mysterious

in Greece (the olden days)
with the other brains........

It occurs throughout March.
Starts i think from 2nd week of March.

If (, ) lying on 4x² + 4xy + 2y² = 1 satisfy a < ²+ ² < b, then 1/a + 1/b is equal to

(A) 8 (B) 10 (C) 6 (D) None

x² + y² - 4x - 4y - 17 = 0, then sum of max. and min. values of a² + b² + 3a + 4b is

(A) 34 (B) 68 (C) 84 (D) 94

The radii of 2 concentric circles are 13 and 8. Let AB be the diameter of larger circle and chord BP of larger circle be a tangent to the smaller circle at D.

What is the length AD??

Pls explain clearly.

Length of chord of contact from any point on the circle x² + y² = 8 to the circle x² + y² = 4 is

(A) (B) 2 (C) 4 (D) 4

If ends of the rod are concyclic, what is the locus of the centre of the circle??

(A) x² = y² + 5 (B) x² + 5 = y² (C) x² + y² = 5 (D) None

Pls explain clearly

---Rates assured---

if 2 circles C(x² + y²) + Ax + By = 0 and A(x² + y²) + Bx + Cy = 0 touch each other, then A, B, C are in

(A) A.P (B) G.P (C) H.P (D) None of these

>> Rates assured.

No, its 2 objective papers each for 3 hrs.

Tata McGraw Hill Maths for AIEEE
they got previous yrs question too n nice problems

Really Awesome!!!
... True Genius

Thank u very much!

Really gud article!!

Shararati

(judging by ur pic)

eqn will ne x/a + y/a = 1 where a = intercept on axes.

substitute (2,-3)
2/a - 3/a = 1

a = 2-3 = -1

Hence eqn of line is x + y + 1 = 0.

Just relax, a lot of us face same problems.
Whatrever u can finish on time, just make sure u do it really thoroughly!

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