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Example 5 - Chapter 10 Class 8 Exponents and Powers
Last updated at May 29, 2023 by Teachoo
Examples
Example 1 (i)
Example 1 (ii) Important
Example 2 (i) Important
Example 2 (ii)
Example 3 Important
Example 4 (i) Important
Example 4 (ii)
Example 4 (iii) Important
Example 4 (iv)
Example 5 Important You are here
Example 6
Example 7 (i) Important
Example 7 (ii)
Example 8 (i) Important
Example 8 (ii)
Example 9 (i) Important
Example 9 (ii) Important
Example 9 (iii)
Transcript
Example 5 Find m so that 〖(−3)〗^(𝑚+1) × 〖(−3)〗^5 = 〖(−3)〗^7 〖(−3)〗^(𝑚+1) × 〖(−3)〗^5 = 〖(−3)〗^7 〖(−3)〗^(𝑚 + 1 + 5) = 〖(−3)〗^7 〖(−3)〗^(𝑚 + 6) = 〖(−3)〗^7 Comparing powers m + 6 = 7 m = 7 − 6 m = 1 (Using 𝑎^𝑚×𝑎^𝑛=𝑎^(𝑚 + 𝑛))
