Question

व्हाट आर द पिटफाल इन द डेवलपमेंट ऑफ मैनेजमेंट इनफॉरमेशन सिस्टम​

Answer 1

Answer:

Standard Algebraic Identities List

Identity I: (a + b)2 = a2 + 2ab + b2

Identity III: a2 – b2= (a + b)(a – b)

Identity IV: (x + a)(x + b) = x2 + (a + b) x + ab.

Identity V: (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca.

Identity VI: (a + b)3 = a3 + b3 + 3ab (a + b)

Explanation:

Two towers AB and CD are 20 m and 25 m high, respectively. The base of the towers is 12 m

apart .What is the distance between their tops ?