1.

`[2xx3^(n+4)-9xx3^(n)]//3^(n+2)` का मान ज्ञात करें?A. 18B. 3C. 1D. 17

Answer» Correct Answer - D
`([2xx3^(n+4)-9xx3^(n)])/(3^(n+2))`
`([2xx3^(n+4)-3^(n+2)])/(3^(n+2))=(3^(n+2)(2xx3^(2)-1))/(3^(n+2))`
`=[2xx9-1]=17`


Discussion

No Comment Found