Solve this very urgent
Share
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:
81y^2 - k^2 [a^2 - b^2 = (a+b)(a-b)][Formula applied in both cases]
=> (9y)^2 - (k)^2
=> (9y-k)(9y+k)
(9y+1/2)(9y-1/2)
=> 81y^2 - 1/4
Hope it helps