deepali

An aircraft has a take-off speed 180km/h and has length 250m from the start just before take-off a serious snag is detected in the engine and the aircraft failed to take-off. There is a wall at a distance of 270 m from takeoff point

9(a^2+2ab+b^2)-(a^2-2ab+b^2) =8a^2+16ab+8b^2 =8a^2+8ab+8ab+8b^2 =8a(a+b)+8b(a+b) =8(a+b)(a+b) =8(a+b)^2

Ltb