Question

If x and y satisfy the relation ax2 + by2 = ab, Prove that the extreme values of the function u = x2 + xy + y2 are given by the roots of the equation 4 (u – a) (u – b) = ab

Answer 1

Step-by-step explanation:

Sikandar Lodi ruled the sultanate from 17 July 1489 to 21 November 1517. Sikandar Lodi was born to the first sultan of the Lodi dynasty, Bahlul Lodi and Bibi Tiger, daughter of a Hindu goldsmith. After he became the ruler he proved that he is an ablest ruler.