try this one

though may be easy....but not getting[2]

if x_{1}^{2}+x_{2}^{2}+x_{3}^{2}........x_{20}^{2}=400

y_{1}^{2}+y_{2}^{2}+y_{3}^{2}........y_{20}^{2}=900

find

\frac{x_{1}}{y_{1}}+\frac{x_{2}}{y_{2}}+\frac{x_{3}}{y_{3}}+...........\frac{x_{20}}{y_{20}}

42 Answers

1
Che ·

ans is 2/3

1
$ourav @@@ -- WILL Never give ·

sorry didnt c d options

1
Arshad ~Died~ ·

is the ans 40/3.....

1
Maths Musing ·

Hey Riemann , are you pretty sure that there are no other conditions ?

1
$ourav @@@ -- WILL Never give ·

i think dere are oder sum conditions...do check....

1
Che ·

der is no other condition guys.......

1
Che ·

anyone with any ans for this

1
Arshad ~Died~ ·

i hav an ans-the ans is wrong.....[3][3][3]
[59]

1
Che ·

but that ans of urs is wrong again [3][4]

1
Che ·

yes i agree with dukhiatma[3]

13
Avik ·

Pata nahi ise dekhkar mujhe Cauchy Schwarz ki kyun yaad aa rahi hai...[135]

62
Lokesh Verma ·

I dont knwo where this question comes from but i have a very strong feeling that this question is wrong...

this number may not be defined at all!!! forget having a definite value!

and it could vary from -infinty to +infinity if my gut is not wrong!

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