For a non-zero rational number z,

Download now India's Best Exam Prepration App Class 8-9-10, JEE & NEET
Video Lectures	Live Sessions
Study Material	Tests
Previous Year Paper	Revision

Video Lectures

Live Sessions

Study Material

Tests

Previous Year Paper

Revision

Question:
For a non-zero rational number z, (z-2)3 equal to

(a) z6

(b) z-6

(c)z1

(d) z4

Solution:

(b) z-6

(By the law of exponents: (am)n=amn)