1.

If `A=c(a^(2)+b^(2))`, then which of the following is/are true?A. `c=(A)/(a^(2)-b^(2))`B. `a=sqrt((A)/(c)+b^(2))`C. Both a and bD. None of these.

Answer» Correct Answer - D
Given
`A=c(a^(2)+b^(2))`
Option (a)
`rArr(A)/(a^(2)+b^(2))=c`
`rArr c=(A)/(a^(2)+b^(2))`
`therefore` Choice (a) is false.
Option (b):
`(A)/(c)=a^(2)+b^(2)`.
`rArr (A)/(c)-b^(2)=a^(2)`
`rArr a=sqrt((A)/(c)-b^(2))`
`therefore` Choice b is false.


Discussion

No Comment Found

Related InterviewSolutions