Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
57 views
in Aptitude by (115k points)
closed by
If \({\left( {z + \frac{1}{z}} \right)^2} = 98\), compute \(\left( {{z^2} + 1/\;{z^2}\;} \right)\)

1 Answer

0 votes
by (152k points)
selected by
 
Best answer
\(\begin{array}{l} {\left( {z + \frac{1}{z}} \right)^2} = 98\\ {Z^2} + \frac{1}{{{z^2}}} + 2 \times z \times \frac{1}{z} = 98\\ {Z^2} + \frac{1}{{{z^2}}} = 98 - 2 = 96 \end{array}\)

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.

Categories

...