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23-08-2018
Mathematics

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Please answer 5,6,7. With explanation.

Please answer 567 With explanation class=

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gloria457 gloria457

23-08-2018

first you need to know some rules 2 numbers that are the same with coefficients divided : you differentiate those coeff
and multyplied :you sum up them

12x^8/3x^3= 4x^8-3=4x^5

20^2x=20^x*20^x

m^5*m^-7=m^5-7=m^-2

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