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Third equation that can be solved
by
shwapneel1999
Show that the equation 2(
x
- 2)² + 2(
x
- 5)² = 9 has only one solution.
2(
x
- 2)² + 2(
x
- 5)² = 9
2
x
² - 8
x
+ 8 + 2
x
² - 20
x
+ 50 = 9
4
x
² - 28
x
+ 49 = 0
(2
x
- 7)² = 0
x
= 7 / 2
Viewed:
4
times
Added:
5 years ago
13 Mar 2020 07:56 CET
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