CBSE Class 8 Answered
plz solve urgently dear experts
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Asked by savitamahajan202 | 29 Dec, 2022, 11:43: AM
If 5/2 x 2x - 2x-1 16, find the value of x.
Solution:
![5 over 2 cross times 2 to the power of straight x space minus space 2 to the power of straight x minus 1 end exponent equals 16
5 cross times 2 to the power of straight x minus 1 end exponent space minus space 2 to the power of straight x minus 1 end exponent equals 16
2 to the power of straight x minus 1 end exponent left parenthesis 5 minus 1 right parenthesis equals 16
2 to the power of straight x minus 1 end exponent cross times 4 equals 16
2 to the power of straight x minus 1 end exponent cross times 2 squared equals 16
2 to the power of straight x plus 1 end exponent equals 2 to the power of 4
rightwards double arrow straight x plus 1 equals 4
rightwards double arrow straight x equals 3](https://images.topperlearning.com/topper/tinymce/cache/99037f41e4616b8a21efe2a4c955ad5c.png)
Answered by Renu Varma | 29 Dec, 2022, 12:43: PM
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