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This Questions seems daunting but let’s put our thinking in order.

Let’s suppose that for some (n) there exist the desired numbers. we also assume that S1 <S2 <S3<…<Sn

surely S1 > 1 else (1- 1/S1) = 0

so we have 2 ≤ S1 ≤ S2–1 ≤ S3–2≤…Sn -(n-1) , hence Si ≥i+1 for each i = 1,2…n. Therefore

51/2010 = 17/670 =

How to use Quadratic here?

Q: Lets a and b be real numbers for which the equation x⁴ + ax³ + bx² +ax +1 = 0 has at least one real solution. For all such pairs (a, b), find the minimum value of a²+b².

A: As there is symmetry is the coefficients, first consider the…

Q: A charge of Q of + 10 micro Columb is placed on a hollow conducting sphere of radius R 5 cm. Find the electric field magnitude everywhere. What-if the spehere is SOLID? What if Non-conducting?

Shifu: How do we find the electric field?
Po: if it’s a point charge we use the formula KQ/r² otherwise we divide the charge into little pieces, find the electric field from each (as point charge), and add the electric fields (as vectors).

Shifu: So what’s the case here? …

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