expand
[tex] {(0.9p - 0.5q)}^{2} [/tex]
using suitable identities
Share
expand
[tex] {(0.9p - 0.5q)}^{2} [/tex]
using suitable identities
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
identity => (a-b)² = a² + b² -2ab
hence ..
(0.9p - 0.5q)² = (0.9)² + (0.5)² - 2(0.9)(0.5)
= 0.81p² + 0.25q² - 0.9pq
hope it helped :D