Example 4 - Chapter 12 Class 8 Exponents and Powers - Part 5

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Transcript

Example 4 Simplify and write the answer in the exponential form. (iv) 〖(−3)〗^4 × (5/3)^4 〖(−3)〗^4 × (5/3)^4 = 〖(−3)〗^4 × 5^4/3^4 = (−3)^4/3^4 × (5)^4 = ((−3)/3)^4 × (5)^4 = (−1)^4 × (5)^4 = 𝟓^𝟒 (𝑈𝑠𝑖𝑛𝑔 (𝑎/𝑏)^𝑚=𝑎^𝑚/𝑏^𝑚 ) (𝑈𝑠𝑖𝑛𝑔 𝑎^𝑚/𝑏^𝑚 =(𝑎/𝑏)^𝑚 ) (As (–1)4 = 1)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.