Question

If a=3 and b=4, Then find value of ab+ba​

Answer 1

Answer:

Answer

2

a

=3

alog

10

2=log

10

3

a=

log

10

2

log

10

3

9

b

=4

blog

10

9=log

10

4

b=

log

10

9

log

10

4

b=

log

10

3

3

log

10

2

2

b=

log

10

3

log

10

2

∴a.b=

log

10

2

log

10

3

×

log

10

3

log

10

2

∴a.b=1

Answer 2

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If a = 3 and b=2 then,

Ab - ba

= 3.2 - 2.3

= 6 - 6

= 0