Question

Value of (2+√5)^5+(2-√5)^5 by binomial theorem

Answer 1

Answer:

its 2456 and take the remainder as multiple of this number and get answers

Answer 2

Step-by-step explanation:

Given, (

5

+1)

5

−(

5

−1)

5

=(1+

5

)

5

+(1−

5

)

5

The even terms will get eliminated.

Hence, we get

2[

5

C

0

+

5

C

2

5+

5

C

4

5

2

]

=2[1+50+125]

=2[176]

=352.