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Find the values of each of the following...

Find the values of each of the following : `(1/2)^(-1)+\ (1/3)^(-1)+\ (1/4)^(-1)` `(1/2)^(-2)+\ (1/3)^(-2)+(1/4)^(-2)`

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RD SHARMA ENGLISH-POWERS-All Questions
  1. Express each of the following as a rational number of the form p/q ,...

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  2. Find the values of each of th4e following : 3^(-1)+4^(-1) (ii) (3^0+...

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  3. Find the values of each of the following : (1/2)^(-1)+\ (1/3)^(-1)+\...

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  4. Find the values of each of the following : (2^(-1)xx\ 4^(-1))-:2^2 ...

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  5. Simplify : (4^(-1)xx\ 3^(-1))^2 (ii) (5^(-1)-:6^(-1))^3 (iii)(2^(-1...

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  6. Simplify : (3^2+2^2)xx\ (1/2)^3 (ii) (3^2-\ 2^2)xx\ (2/3)^(-3)

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  7. Simplify : (1): [(1/3)^(-3)-\ (1/2)^(-3)]-:(1/4)^(-3) (2): (2...

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  8. By what number should 5^(-1) be multiplied so that the product may be ...

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  9. By what number should (1/2)^(-1) be multiplied so that the product may...

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  10. By what number should (15)^(-1) be divided so that the quotient may be...

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  11. Using the laws exponents, simplify each of the following and express...

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  12. Using the laws of exponents simplify and express each of the expone...

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  13. Using the laws of exponents simplify and express each of the expone...

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  14. Using the laws of exponents simplify and express each of the exponen...

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  15. Using the laws of exponents simplify and express each of the expone...

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  16. Using the laws of exponents simplify and express each of the exponen...

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  17. Using the laws of exponents simplify and express each of the exponen...

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  18. Simplify and write the answer in the exponential form : (2^5-:2^8)^...

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  19. Simplify each of the following : (i) [{((-1)/5)^(-2)}^2]^(-1)\ (ii)...

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  20. Simplify : (i)(5/8)^(-7)×\ (8/5)^(-5) (ii) ((-2)/3)^(-2)×\ (4/5)^(-...

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