Question

If p and q are the zeroes of the polynomial f(t) = t2

-4t+3, then find the value of 1/p +

1/q – 2pq​

Answer 1

Answer:

" The fire/flame produces its own light and doesn't destructively interfere. Hence, the light from the surrounding passes through the flame. It's an optical illusion to think fire/flame to be solid enough to block light and cast a shadow. "