question no. 7 please. .......
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4^x - 4^x-1 =24
4^x - 4^x/4^1 = 24
4^x ( 1- 1/4) = 24
4^x ((4-1)/4) = 24
4^x (3/4) = 24
4^x = (24 ×4)/3
4^x = 32
2^2x = 2^5
bases are same, so we can equate the power
2x= 5
x = 5/2
4^x - 4^x/4^1 = 24
4^x ( 1- 1/4) = 24
4^x ((4-1)/4) = 24
4^x (3/4) = 24
4^x = (24 ×4)/3
4^x = 32
2^2x = 2^5
bases are same, so we can equate the power
2x= 5
x = 5/2
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3
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