1.

यदि `(a-3)^(2)+(b-4)^(2)+(c-9)^(2)=0` है तो `sqrt(a+b+c)` का मान क्या होगा?A. `-4`B. `4`C. `+-4`D. `+-2`

Answer» Correct Answer - C
`(a-3)^(2)+(b-4)^(2)+(c-9)^(2)=0`
`a-3=0, a=3`
`b-4=0, b=4`
`c-9=0, c=9`
`:. sqrt(a+b+c)=sqrt(3+4+9)`
`=sqrt(16)=+-4`


Discussion

No Comment Found

Related InterviewSolutions