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5 votes
Factorise
x^(2) - 9

User CornPuff
by
7.6k points

1 Answer

1 vote

Answer:

a1= 1 q= −sinx , dla |q| <1 , ta suma jest zbieżna

a1 1

S=

=

1 −q 1+sinx

w mianowniku podobnie: a1=1 , q= sinx , dla | sinx| <1

1

S=

1 −sinx

i mamy równanie:

1

1+sinx

= tg2x

1

1− sinx

Explanation:

User Michael Brown
by
7.8k points

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