Question

1
. If a +
6 and a + 0; find :
a
1
(i) a
(ii) az
1
a2
a​

Answer 1

Answer:

Correct option is

C

±24

2

a+

a

1

=6

Squaring both sides,

=(a+

a

1

)

2

=6

2

=a

2

+(

a

1

)

2

+2(a)(

a

1

)=36

=a

2

+

a

2

1

+2=36

=a

2

+

a

2

1

=34

Now,

(a−

a

1

)

2

=a

2

+

a

2

1

−2(a)(

a

1

)

=34−2

=32

=>a−

a

1

=±

32

=±4

2

Now,

(a

2

−

a

2

1

)=(a+

a

1

)(a−

a

1

)

=6(±4

2

)

=±24

2

verified_toppr

Answer verified by Topp

Answer 2

Answer:

what I find write properly