Math, asked by martinasultana069, 2 months ago

if a+b=16 and a-b=2 then ab​

Answers

Answered by Anonymous
11

Answer:

63

Step-by-step explanation:

Given:

a+b=16

a-b=2

To Find:

ab = ?

Solution:

We know that,

(a+b)² = (a-b)² + 4ab

=> (16)² = (2)² + 4ab

=> 256 = 4 + 4ab

=> 4ab = 256 - 4

=> 4ab = 252

=> ab = 252/4

ab = 63

Answered by bhandarusamhitha
0

Answer: 63

Step-by-step explanation: given

                                             a+b= 16

                                             a-b = 2

                                               ab = ?

we know that ,

                          (a-b)^2 = (a+b)^2 - 4ab

now  , substitute the values

                    ( 2)^2 = (16)^2 -4ab

                          4 =  256  - 4ab

                        4ab = 256  - 4

                                = 252

                   

                         ab = 252/ 4

                          ab =  63

hope it helps .....

Similar questions