Question

a, b, c are in continued proportion, then . *



a) a + b

b) a - b

c) ac


d)a²b​

Answer 1

Answer:

The three quantities a,b,c are said to be in continued proportion if a:b::b:c

⇒

b

a

=

c

b

⇒ac=b

2

⇒b

2

=ac

Here, b is called the mean proportional of a and c, as square of middle term is equal to the product of 1st term and 3rd term.

Also, if a:b::b:c, then c is called the third proportional of a,b.

Then (A) and (B) are true options.

Answer 2

Answer:

A+B B+A C+A D+BYWHWUWIWIQOQ