Fewpal
0 votes
12 views
in Algebraic Formulae – Expansion of Squares by (49.4k points)
closed by

Which of the options given below is the square of the binomial

(A) 64 - 1/x2

(B) 64 + 1/x2

(C) 64 - 16/x + 1/x2

(D) 64 + 16/x + 1/x2

1 Answer

+1 vote
by (48.8k points)
selected by
 
Best answer

(C) 64 - 16/x + 1/x2

= (8 - 1/x)2 = 82 - 2 x 8 x 1/2 + (1/x)2 …[(a – b)2 = a2 – 2ab + b2 ]

= 64 - 16x + 1/x2

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...