Question

2tan2 45° + cos2 30° + 2tan2 45°+ cos2 30 - sin2 60°​

Answer 1

Step-by-step explanation:

5,55,555......

a

1

=5,a

2

=55,a

3

=555

a

1

a

2

=

5

55

=11,

a

2

a

3

=

55

555

=

11

111

∴

a

1

a

2



=

a

2

a

3

=2

∴5,55,555...... is not a GP.