1.

यदि `a=2,B=-3` हो तो `27a^(3)-54a^(2)b+36ab^(2)-8b^(3)` का मान क्या होगा?A. 1562B. 1616C. 1676D. 1728

Answer» Correct Answer - D
`a=2,b=-3`
So `=27a^(3)+36ab^(2)-8b^(3)-54a^(2)b`
`=27xx(2)^(3)+36xx2xx(-3)^(2)-8xx`
`(-3)^(3)-54xx(2)^(2)xx(-3)`
`=27xx8+36xx2xx9+8xx27+`
`54xx4xx3`
`=216+648+216+6481728`


Discussion

No Comment Found

Related InterviewSolutions