find-x-x-2-2-x-1-Any-help-

Question Number 138575 by KwesiDerek last updated on 15/Apr/21

\boldsymbol find \boldsymbol x

\boldsymbol x^{2} - 2^{\boldsymbol x} = 1

\boldsymbol Any \boldsymbol help

Commented by soudo last updated on 15/Apr/21

soit g (x) = x^{2} - 1 and h (x) = 2^{x}

x^{2} - 1 = 2^{x}

g (x) = h (x)

etudier les variation de g et h puis construire

leur courbes

x = - 1, 2

Commented by KwesiDerek last updated on 15/Apr/21

how did you do it si \bar{r}, can you expand it further please

Commented by mr W last updated on 15/Apr/21

t h e r e i s n o “ {n i c e}^{″} e x a c t m e t h o d .

y o u c a n “ {s e e}^{″} t h a t x = 3 i s a s o l u t i o n .

o t h e r s o l u t i o n s c a n o n l y b e o b t a i n e d

a p p r o x i m a t e l y :

x \approx - 1.1983

x \approx 3.4075

x = 3

Commented by KwesiDerek last updated on 15/Apr/21

can I have the step by step solution pls

can I have the step by step solution pls

Commented by mr W last updated on 15/Apr/21

n o . y o u c a n n o t c a l c u l a t e t h e s o l u t i o n .

n o . y o u c a n n o t c a l c u l a t e t h e s o l u t i o n .

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