I am having so much trouble with these kinds of equations. Can someone please help me Solve for 'x': 2^2x-1 - 6.2^x-1 + 4 = 0 and... 2^2x - 5.2^x+1 + 16 = 0
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Originally Posted by Ogsta101 I am having so much trouble with these kinds of equations. Can someone please help me Solve for 'x': 2^2x-1 - 6.2^x-1 + 4 = 0 and... 2^2x - 5.2^x+1 + 16 = 0 please clarify (use parentheses!) i'm not sure what the questions are... is it: and ?
Originally Posted by Ogsta101 I am having so much trouble with these kinds of equations. Can someone please help me Solve for 'x': 2^2x-1 - 6.2^x-1 + 4 = 0 and... 2^2x - 5.2^x+1 + 16 = 0 For the first, do you mean ? Otherwise you have appearing twice ....... For the second: Let : Therefore or . Therefore or . Therefore x = .......
For the first, I mean: Sorry about all the confusion... And thanx for help on number 2!
Originally Posted by Ogsta101 For the first, I mean: Sorry about all the confusion... And thanx for help on number 2! well, it's very similar to what mr fantastic did. same concept. try and see if you can do it
Originally Posted by Ogsta101 For the first, I mean: Sorry about all the confusion... And thanx for help on number 2! Just to get you started: Trick - Multiply through by 2 to make life easier:
Well, I did it without the multiplying through by 2 and got x = 2 or 1 and they appear to work. Thanx heaps for helping me out
Originally Posted by Ogsta101 Well, I did it without the multiplying through by 2 and got x = 2 or 1 and they appear to work. Thanx heaps for helping me out
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