Question

If a is a complex with most of unity and af
then the value of sum of dinot n- termo in
1+ 4x+1 & +
250-10x + 45 tuy=1​

Answer 1

Answer:

Correct option is

E

5

1

10

2y

=25⟹10

y

=5

∴10

−y

=

5

1

Answer 2

Answer:

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