Question

16(81)25 49(169)36 64(?)4​

Answer 1

100

Please mark as brainliest

Answer 2

Given:

Given expression:

16(81)25 49(169)36 64(?)4​

To Find:

Find the value of ?

Solution:

Given pattern is 16(81)25 49(169)36 64(?)4​ , the given expression is having three terms  and all the terms will follow the same rule , and we will found the rule from the first two terms will be applied on the third term to get the value of the ? in the third term.

First term:

16(81)25

4² ( 9²) 5²

4² ( (4 + 5)²) 5²

So the middle term is the sum of side terms.

Second Term:

49(169)36

7² (13²) 6²

7² ( (7+6)²) 6²

it is evident from that the middle term is the sum of side terms.

Third Term:

64(?)4​

8² (?) 2²

so middle term = 8+2

                          =10

Hence the middle term is 10