यदि a^(2)+b^(2)+ c^(2)+ 216=12(a+b- 2c) ...

यदि `a^(2)+b^(2)+ c^(2)+ 216=12(a+b- 2c)` है, तो `sqrt(ab-bc-ca)` का मान ज्ञात करें।

A

`8sqrt(5)`

B

`4sqrt(5)`

C

`6sqrt(5)`

D

`3sqrt(5)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

Promotional Banner

Promotional Banner

Recommended Questions

यदि a^(2)+b^(2)+ c^(2)+ 216=12(a+b- 2c) है, तो sqrt(ab-bc-ca) का मान ...
Text Solution
|
If a^2+b^2+c^2+96=8(a+b-2c) , then sqrt(ab-bc+ca) is equal to: यदि a^2...
Text Solution
|
If a^2+b^2+c^2=ab+bc+ac then the value of (a+c)/b is:- यदि a^2+b^2+c^2...
Text Solution
|
If a : b = 2 : 5 , c : b = 3 : 4 , then a : b : c is equal to : यदि ...
Text Solution
|
If a : b = 2 : 3 and c : b = 5 : 6 , then a : b : c is equal to: यदि...
Text Solution
|
If ab+bc+ca=8 and a+b+c=12 then (a^2+b^2+c^2) is equal to: यदि ab+b...
Text Solution
|
If a^2+b^2+c^2=21 , and a + b + c = 7, then (ab + bc + ca) is equal to...
Text Solution
|
If a + b + c = 8 and ab + bc + ca = 12, then a^3+b^3+c^3-3abc is equal...
Text Solution
|
If a + b + c = 4 and ab + bc + ca = 2 , then a^3+b^3+c^3-3abc is equal...
Text Solution
|