Math, asked by seepatimeghashyam7, 12 hours ago

if p/√10+√14+√15+√21=√10-√14-√15+√21​

Answers

Answered by subodhnagar85
0

Answer:

(C) Given,

10

+

14

+

15

+

21

l

=

k

10

14

15

21

⇒lk=[(

10

+

21

)+(

14

+

15

)]

=[(

10

+

21

)−(

14

+

15

)]

=(

21

+

10

)

2

−(

15

+

14

)

2

=(31+2

210

)−(29+2

210

)

=31+2

210

−29−2

210

=2

⇒l=

k

2

Similar questions