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01-02-2024
Mathematics

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What are the solutions of the equation 9x4- 2x2-7=0? Use u substitution to solve.
7
√7
OX-t
√7
7
Ox=±,
(= ti
+√√T
gand x = ti
and x = ±1
7
O x-ti√
and x = ±1
and x = ti
13

What are the solutions of the equation 9x4 2x270 Use u substitution to solve 7 7 OXt 7 7 Ox ti T gand x ti and x 1 7 O xti and x 1 and x ti 13 class=

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