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Find The Value of k if (-2)^k+1 x (-2)^3 = (-2)^7

User Joth
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1 Answer

18 votes
18 votes

If (-2)^k+1 x (-2)^3 = (-2)^7

then,

k+1+3= 7

k= 7-3-1

k= 7-4

k=3

User DemiImp
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